{"error":{"code":"internal_api_error_Error","info":"[14ce2b56766b62297fb915bc] Exception caught: Call to undefined method Language::fetchLanguageNames()","errorclass":"Error","*":"Error at /usr/share/mediawiki/extensions/UploadWizard/UploadWizard.config.php(26)\nfrom /usr/share/mediawiki/extensions/UploadWizard/UploadWizard.config.php(26)\n#0 /usr/share/mediawiki/includes/libs/objectcache/wancache/WANObjectCache.php(1726): UploadWizardConfig::{closure}()\n#1 /usr/share/mediawiki/includes/libs/objectcache/wancache/WANObjectCache.php(1556): WANObjectCache->fetchOrRegenerate()\n#2 /usr/share/mediawiki/extensions/UploadWizard/UploadWizard.config.php(83): WANObjectCache->getWithSetCallback()\n#3 /usr/share/mediawiki/extensions/UploadWizard/includes/UploadWizardConfig.php(139): include(string)\n#4 /usr/share/mediawiki/extensions/UploadWizard/includes/UploadWizardConfig.php(86): UploadWizardConfig::getDefaultConfig()\n#5 /usr/share/mediawiki/extensions/UploadWizard/includes/ApiFlickrBlacklist.php(20): UploadWizardConfig::getConfig()\n#6 /usr/share/mediawiki/includes/api/ApiMain.php(1935): ApiFlickrBlacklist->execute()\n#7 /usr/share/mediawiki/includes/api/ApiMain.php(912): ApiMain->executeAction()\n#8 /usr/share/mediawiki/includes/api/ApiMain.php(883): ApiMain->executeActionWithErrorHandling()\n#9 /usr/share/mediawiki/api.php(95): ApiMain->execute()\n#10 /usr/share/mediawiki/api.php(48): wfApiMain()\n#11 {main}"}}