====== Messages d'erreur de LaTeX ======

Cette section présente de nombreux messages d'erreur de <latex>\TeX</latex>, <latex>\LaTeX</latex> et autres logiciels proches, ainsi que la manière de les traiter.

Deux questions générales peuvent être utiles à lire :
  * [[https://faq.latex-fr.net/2_programmation/erreurs/structure_d_un_message_d_erreur|Quelle est la structure des messages d'erreur de TeX ?]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/interpreter_les_messages_d_erreur2|Comment traiter les erreurs ?]].


===== Messages commençant par un symbole =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/0/étoile|''*'']] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/0/invalid_at_this_point|'⟨caractère⟩' invalid at this point]] (//calc//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/0/allowed_only_in_math_mode|⟨commande⟩ allowed only in math mode]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/0/undefined|⟨nom⟩ undefined]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/0/in_mid_line|\< in mid line]].

===== Messages commençant par un A =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/A/Accent_not_provided_by_font_family|Accent ⟨commande⟩ not provided by font family ⟨nom⟩]] (//textcomp//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/A/A_Box_was_supposed_to_be_here|A ⟨Box⟩ was supposed to be here]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/A/Argument_of_command_has_an_extra_closing_bracket|Argument of ⟨commande⟩ has an extra }]] (//TeX//).

===== Messages commençant par un B =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/B/Bad_line_or_vector_argument|Bad \line or \vector argument]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/B/Bad_math_environment_delimiter|Bad math environment delimiter]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/B/begin_allowed_only_in_paragraph_mode|\begin{⟨env⟩} allowed only in paragraph mode]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/B/begin_env_on_input_line_NN_ended_by_end_other_env|\begin{⟨env⟩} on input line ⟨num-ligne⟩ ended by \end{⟨autre-env⟩}]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/B/begin_split_will_not_work_here|\begin{split} won't work here]] (//amsmath//).

===== Messages commençant par un C =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Can_be_used_only_in_preamble|Can be used only in preamble]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Cannot_be_used_in_preamble|Cannot be used in preamble]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Cannot_define_Unicode_char_value|Cannot define Unicode char value < 00A0]] (//inputenc//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Cannot_determine_size_of_graphic|Cannot determine size of graphic in ⟨fichier⟩]] (//graphics/graphicx//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Cannot_include_graphics_of_type|Cannot include graphics of type : ⟨ext⟩]] (//graphics/graphicx//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/caption_outside_float|\caption outside float]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/c/checksum_mismatch|Checksum mismatch in font]] (//dvips//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Command_already_defined|Command ⟨nom⟩ already defined]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Command_invalid_in_math_mode|Command ⟨nom⟩ invalid in math mode]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Command_not_defined_as_a_math_alphabet|Command ⟨nom⟩ not defined as a math alphabet]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Corrupted_NFSS_tables|Corrupted NFSS tables]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/C/Counter_too_large|Counter too large]].

===== Messages commençant par un D =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/d/pdftex_destination_ignored|Destination ... duplicate ignored]] (//pdftex//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/D/Dimension_too_large|Dimension too large]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/D/displaybreak_cannot_be_applied_here|\displaybreak cannot be applied here]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/D/Division_by_zero|Division by 0]] (//graphics/graphicx//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/D/Double_subscript|Double subscript]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/D/Double_superscript|Double superscript]] (//TeX//).

===== Messages commençant par un E =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Encoding_file_not_found|Encoding file `⟨nom⟩' not found]] (//fontenc//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Encoding_scheme_unknown|Encoding scheme ⟨nom⟩ unknown]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/e/end_occurred_inside_a_group|\end occurred inside a group]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Entering_compatibility_mode|Entering compatibility mode]] (//LaTeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Environment_undefined|Environment ⟨nom⟩ undefined]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Erroneous_nesting_of_equation_structures|Erroneous nesting of equation structures ; trying to recover with `aligned']] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Extra_ampersand_on_this_line|Extra & on this line]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Extra_alignment_tab_has_been_changed_to_CR|Extra alignment tab has been changed to \cr]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Extra_endgroup|Extra \endgroup]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Extra_or|Extra \or]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Extra_right|Extra \right]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Extra_closing_bracket_or_forgotten_dollar|Extra }, or forgotten $]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/E/Extra_closing_bracket_or_forgotten_endgroup|Extra }, or forgotten \endgroup]] (//TeX//).

===== Messages commençant par un F =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/Fatal_format_file_error-i_m_stymied|Fatal format file error; I'm stymied]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/File_not_found|File `⟨nom⟩' not found]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/File_ended_while_scanning|File ended while scanning ⟨quelque chose⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/fixltx2e_is_not_required|Fixltx2e is not required with releases after 2015]] (//fixltx2e//, //LaTeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/Floats_lost|Float(s) lost]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/Font_family_unknown|Font family ⟨enc⟩ + ⟨famille⟩ unknown]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/Font_not_found|Font ⟨nom⟩ not found]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/Font_not_loadable|Font ⟨nom-interne⟩ = ⟨nom-externe⟩ not loadable : ⟨raison⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/Font_not_loaded__Not_enough_room_left|Font ⟨nom-interne⟩ = ⟨externe⟩ not loaded : Not enough room left]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/f/warning_font_shape_not_available|Font shape ⟨fonte⟩ not available]] (//LaTeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/F/Font_shape_not_found|Font shape ⟨forme-fonte⟩ not found]].

===== Messages commençant par un I =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/I_cannot_find_file|I can't find file `⟨nom⟩']] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/I_cannot_write_on_file|I can't write on file `⟨nom⟩']] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Illegal_character_in_array_arg|Illegal character in array arg]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Illegal_parameter_number_in_definition_of_command|Illegal parameter number in definition of ⟨commande⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Illegal_unit_of_measure|Illegal unit of measure (pt inserted)]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Improper_argument_for_math_accent|Improper argument for math accent : Extra braces must be added to prevent wrong output]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Improper_discretionary_list|Improper discretionary list]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Improper_hyphenation|Improper \hyphenation]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Improper_prevdepth|Improper \prevdepth]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Improper_spacefactor|Improper \spacefactor]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/include|\include cannot be nested]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Incompatible_list_cannot_be_unboxed|Incompatible list can't be unboxed]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/All_text_was_ignored_after_line_NN|Incomplete ⟨condition⟩ ; all text was ignored after line ⟨numéro⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Infinite_glue_shrinkage_found|Infinite glue shrinkage found ⟨quelque part⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Interruption|Interruption]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/I/Invalid_use_of_command|Invalid use of ⟨commande⟩]] (//amsmath//).

===== Message commençant par un K =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/K/Keyboard_character_used_is_undefined_in_input_encoding|Keyboard character used is undefined in input encoding ⟨enc⟩]] (//inputenc//).

===== Messages commençant par un L =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/L/Language_definition_file_not_found|Language definition file ⟨langue⟩.ldf not found]] (//babel//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/L/Limit_controls_must_follow_a_math_operator|Limit controls must follow a math operator]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/L/LoadClass_in_package_file|\LoadClass in package file]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/L/Lonely_item--perhaps_a_missing_list_environment|Lonely \item--perhaps a missing list environment]].

===== Messages commençant par un M =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Math_alphabet_identifier_is_undefined_in_math_version|Math alphabet identifier ⟨id⟩ is undefined in math version ⟨nom⟩]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Math_version_is_not_defined|Math version ⟨nom⟩ is not defined]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/m/mismatched_mode_ljfour_and_resolution_8000|Mismatched mode ljfour and resolution 8000]] (//dvips//);
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Misplaced_alignment_tab_character_ampersand|Misplaced alignment tab character &]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Misplaced_CR_or_CRCR|Misplaced \cr ou Misplaced \crcr]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Misplaced_noalign|Misplaced \noalign]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Misplaced_omit|Misplaced \omit]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_begin_document|Missing \begin{document}]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_control_sequence_inserted|Missing control sequence inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_CR_inserted|Missing \cr inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_delimiter__dot_inserted|Missing delimiter (. inserted)]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_endcsname_inserted|Missing \endcsname inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_number__treated_as_zero|Missing number, treated as zero]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_p-arg_in_array_arg|Missing p-arg in array arg]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_at-exp_in_array_arg|Missing @-exp in array arg]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_sharp_inserted_in_alignment_preamble|Missing # inserted in alignment preamble]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_equal_inserted_for_ifnum|Missing = inserted for \ifnum]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_equal_inserted_for_ifdim|Missing = inserted for \ifdim]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_dollar_inserted|Missing $ inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_endgroup_inserted|Missing \endgroup inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_right_dot_inserted|Missing \right. inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_opening_curly_bracket_inserted|Missing { inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Missing_closing_curly_bracket_inserted|Missing } inserted]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Multiple_labels__label_will_be_lost|Multiple \label's : label ⟨étiquette⟩ will be lost]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/M/Multiple_tags|Multiple \tag]] (//amsmath//).

===== Messages commençant par un N =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/No_counter_defined|No counter `⟨nom⟩' defined]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/No_Cyrillic_encoding_definition_files_were_found|No Cyrillic encoding definition files were found]] (//babel//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/No_declaration_for_shape|No declaration for shape ⟨//forme-fonte//⟩]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/No_driver_specified|No driver specified]] (//color/graphics/graphicx//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/Non_pdf_special_ignored|Non-PDF special ignored!]] (//pdfTeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/No_room_for_a_new_register|No room for a new ⟨//registre//⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/No_title_given|No \title given]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/Not_a_letter|Not a letter]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/Not_in_outer_par_mode|Not in outer par mode]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/N/Number_too_big|Number too big]] (//TeX//).

===== Messages commençant par un O =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/O/OK|OK]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/O/OK__see_the_transcript_file|OK (see the transcript file)]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/O/Old_form_should_be_begin_env|Old form ⟨commande⟩ should be \begin{⟨env⟩}]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/O/Only_one_sharp_is_allowed_per_tab|Only one # is allowed per tab]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/O/Option_clash_for_package|Option clash for package ⟨nom⟩]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/o/overfull|Overfull ⟨objet⟩]] (//TeX//).

===== Messages commençant par un P =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/P/Page_height_already_too_large|Page height already too large]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/P/Paragraph_ended_before_command_was_complete|Paragraph ended before ⟨commande⟩ was complete]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/P/Please_type_a_command_or_say_end|(Please type a command or say `\end')]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/P/pushtabs_and_poptabs_do_not_match|\pushtabs and \poptabs don't match]].

===== Messages commençant par un R =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/R/RequirePackage_or_LoadClass_in_Options_Section|\RequirePackage or \LoadClass in Options Section]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/r/rerun_to_get_crossreferences_right|Rerun to get crossreferences right]] (//LaTeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/R/Rotation_not_supported|Rotation not supported]] (//graphics/graphicx//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/R/Runaway_something|Runaway ⟨quelque chose⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/R/Runpopen_command_not_allowed|Runpopen command not allowed]] (//LaTeX//).

===== Messages commençant par un S =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/S/Scaling_not_supported|Scaling not supported]] (//graphics/graphicx//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/S/Something_is_wrong--perhaps_a_missing_item|Something's wrong--perhaps a missing \item]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/S/Sorry_I_cannot_find_format|Sorry, I can't find ⟨format⟩...]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/S/Suggested_extra_height_dangerously_large|Suggested extra height (⟨valeur⟩) dangerously large]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/S/Symbol_font_is_not_defined|Symbol font ⟨nom⟩ is not defined]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/S/Symbol_not_provided_by_font_family|Symbol ⟨commande⟩ not provided by font family ⟨nom⟩]] (//textcomp//).

===== Messages commençant par un T =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Tab_overflow|Tab overflow]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/tag_not_allowed_here|\tag not allowed here]] (//amsmath//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/TeX_capacity_exceeded|TeX capacity exceeded, ⟨explication⟩]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/t/tex_capacity_exceeded_nest|TeX capacity exceeded (...) semantic nest size]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/t/capacity_exceeded2|TeX capacity exceeded (...) text input levels]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Text_line_contains_an_invalid_character|Text line contains an invalid character]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/The_attribute_is_unknown_for_this_language|The attribute ⟨attribut⟩ is unknown for language ⟨langue⟩]] (//babel//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/The_character_is_not_a_shorthand_character_in_this_language|The character `⟨car⟩' is not a shorthand character in ⟨langue⟩]] (//babel//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/The_font_size_command_normalsize_is_not_defined|The font size command \normalsize is not defined...]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/There_is_no_line_here_to_end|There's no line here to end]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/This_may_be_a_LaTeX_bug|This may be a LaTeX bug]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/This_NFSS_system_is_not_set_up_properly|This NFSS system isn't set up properly]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/t/token_not_allowed_in_pdfdocencoded_string|Token not allowed in PDFDocEncoded string]] (//hyperref//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Too_deeply_nested|Too deeply nested]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Too_many_columns_in_eqnarray_environment|Too many columns in eqnarray environment]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Too_many_math_alphabets_used_in_version|Too many math alphabets used in version ⟨nom⟩]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Too_many_unprocessed_floats|Too many unprocessed floats]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Two_documentclass_or_documentstyle_commands|Two \documentclass or \documentstyle commands]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/T/Two_LoadClass_commands|Two \LoadClass commands]].

===== Messages commençant par un U =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Unable_to_read_an_entire_line|Unable to read an entire line]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Undefined_color|Undefined color ⟨nom⟩]] (//color//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Undefined_control_sequence|Undefined control sequence]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Undefined_font_size_function|Undefined font size function ⟨nom⟩]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Undefined_tab_position|Undefined tab position]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Unknown_graphics_extension|Unknown graphics extension : ⟨ext⟩]] (//graphics/graphicx//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Unknown_option_for_package|Unknown option `⟨option⟩' for package `⟨//nom//⟩']] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/Use_of_command_does_not_match_its_definition|Use of ⟨commande⟩ doesn't match its definition]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/usepackage_before_documentclass|\usepackage before \documentclass]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/U/UTF-8_string_not_set_up_for_LaTeX_use|UTF-8 string \u8 : ⟨séquence-8-bits⟩ not set up for LaTeX use]] (//inputenc//).

===== Messages commençant par un V =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/V/verb_ended_by_end_of_line|\verb ended by end of line]] ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/V/verb_illegal_in_command_argument|\verb illegal in command argument]].

===== Messages commençant par un Y =====

  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_already_have_nine_parameters|You already have nine parameters]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_cannot_use_command_in_this_mode|You can't use `⟨commande⟩' in ⟨mode⟩ mode]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_cannot_use_end_in_internal_vertical_mode|You can't use `\end' in internal vertical mode]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_cannot_use_hrule_here_except_with_leaders|You can't use `\hrule' here except with leaders]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_cannot_use_macro_parameter_sharp_in_this_mode|You can't use `macro parameter #' in ⟨mode⟩ mode]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_cannot_use_prevdepth_in_horizontal_mode|You can't use `\prevdepth' in horizontal mode]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/y/you_cannot_use_spacefactor_in_math_mode|You can't use `\spacefactor' in math mode]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_cannot_use_spacefactor_in_vertical_mode|You can't use `\spacefactor' in vertical mode]] (//TeX//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_have_not_defined_output_directory_for_path|You haven't defined output directory for `⟨chemin⟩']] (//docstrip//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_have_not_defined_the_language_yet|You haven't defined the language ⟨langue⟩ yet]] (//babel//) ;
  * [[https://faq.latex-fr.net/2_programmation/erreurs/Y/You_have_not_specified_a_language_option|You haven't specified a language option]] (//babel//).

-----
//Sources ://
  * [[https://latex.developpez.com/cours/detecter-et-resoudre-les-erreurs/]],
  * [[https://www.latex-project.org/help/books/#french|LaTeX Companion, 2e édition]], Frank Mittelbach, Michel Goossens, Johannes Braams, David Carlisle, Chris Rowley (Pearson, 2006) ; ISBN: 978-2-7440-7182-9. Annexe B, //Détecter et résoudre les problèmes//, reproduite avec l'aimable autorisation de l'éditeur.

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