Unexpected non-MediaWiki exception encountered, of type "InvalidArgumentException"
[d5d85d56] /index.php/Fichier:Public_Polypes_classif_haggitt_121012.jpg Exception from line 18 of /var/www/wiki/extensions/GraphTag/lib/UserAgentParser.php: parse_user_agent requires a user agent
Backtrace:
#0 /var/www/wiki/extensions/GraphTag/GraphTagView.class.php(71): parse_user_agent()
#1 /var/www/wiki/extensions/GraphTag/GraphTagView.class.php(57): GraphTagView::checkRenderPageWithSvg()
#2 [internal function]: GraphTagView::pageRenderingHash(string)
#3 /var/www/wiki/includes/Hooks.php(199): call_user_func_array(string, array)
#4 /var/www/wiki/includes/GlobalFunctions.php(3877): Hooks::run(string, array)
#5 /var/www/wiki/includes/parser/ParserOptions.php(576): wfRunHooks(string, array)
#6 /var/www/wiki/includes/parser/ParserCache.php(155): ParserOptions->optionsHash(array, Title)
#7 /var/www/wiki/includes/parser/ParserCache.php(181): ParserCache->getKey(ImagePage, ParserOptions, boolean)
#8 /var/www/wiki/includes/Article.php(628): ParserCache->get(ImagePage, ParserOptions)
#9 /var/www/wiki/includes/ImagePage.php(161): Article->view()
#10 /var/www/wiki/includes/actions/ViewAction.php(44): ImagePage->view()
#11 /var/www/wiki/includes/Wiki.php(448): ViewAction->show()
#12 /var/www/wiki/includes/Wiki.php(312): MediaWiki->performAction(ImagePage, Title)
#13 /var/www/wiki/includes/Wiki.php(602): MediaWiki->performRequest()
#14 /var/www/wiki/includes/Wiki.php(467): MediaWiki->main()
#15 /var/www/wiki/index.php(49): MediaWiki->run()
#16 {main}