Exception encountered, of type "Error"
[XfWBf287VGMRtP6PoVH2qwAAAAY] /index.php?title=File:Wikipedia_logo.jpg Error from line 663 of /home/natur170/public_html/wiki/includes/exception/MWExceptionHandler.php: Class 'FormatJson' not found
Backtrace:
#0 /home/natur170/public_html/wiki/includes/exception/MWExceptionHandler.php(242): MWExceptionHandler::logError(ErrorException, string)
#1 /home/natur170/public_html/wiki/includes/AutoLoader.php(81): MWExceptionHandler::handleError(integer, string, string, integer, array)
#2 /home/natur170/public_html/wiki/includes/AutoLoader.php(81): require()
#3 [internal function]: AutoLoader::autoload(string)
#4 /home/natur170/public_html/wiki/includes/filerepo/ForeignAPIRepo.php(206): spl_autoload_call(string)
#5 /home/natur170/public_html/wiki/includes/filerepo/file/ForeignAPIFile.php(63): ForeignAPIRepo->fetchImageQuery(array)
#6 /home/natur170/public_html/wiki/includes/filerepo/FileRepo.php(399): ForeignAPIFile::newFromTitle(Title, ForeignAPIRepo)
#7 /home/natur170/public_html/wiki/includes/filerepo/ForeignAPIRepo.php(119): FileRepo->newFile(Title, boolean)
#8 /home/natur170/public_html/wiki/includes/filerepo/FileRepo.php(431): ForeignAPIRepo->newFile(Title)
#9 /home/natur170/public_html/wiki/includes/filerepo/RepoGroup.php(158): FileRepo->findFile(Title, array)
#10 /home/natur170/public_html/wiki/includes/GlobalFunctions.php(3186): RepoGroup->findFile(Title, array)
#11 /home/natur170/public_html/wiki/includes/page/WikiFilePage.php(60): wfFindFile(Title)
#12 /home/natur170/public_html/wiki/includes/page/WikiFilePage.php(126): WikiFilePage->loadFile()
#13 /home/natur170/public_html/wiki/includes/MediaWiki.php(414): WikiFilePage->getFile()
#14 /home/natur170/public_html/wiki/includes/MediaWiki.php(286): MediaWiki->initializeArticle()
#15 /home/natur170/public_html/wiki/includes/MediaWiki.php(745): MediaWiki->performRequest()
#16 /home/natur170/public_html/wiki/includes/MediaWiki.php(519): MediaWiki->main()
#17 /home/natur170/public_html/wiki/index.php(43): MediaWiki->run()
#18 {main}