MWException: `YenFor10%25When500YenFor100%25TwoDownwardArrowsWithOneRate.jpg` is not a valid file title. in /opt/sitedata/life-science-edu.net/wiki/includes/filerepo/file/File.php:230
Stack trace:
#0 /opt/sitedata/life-science-edu.net/wiki/includes/filerepo/file/File.php(191): File::normalizeTitle()
#1 /opt/sitedata/life-science-edu.net/wiki/includes/filerepo/file/LocalFile.php(320): File->__construct()
#2 /opt/sitedata/life-science-edu.net/wiki/includes/filerepo/file/LocalFile.php(200): LocalFile->__construct()
#3 /opt/sitedata/life-science-edu.net/wiki/extensions/FirstStepGift/FirstStepGift.php(288): LocalFile::newFromTitle()
#4 /opt/sitedata/life-science-edu.net/wiki/extensions/FirstStepGift/FirstStepGift.php(267): FirstStepGift->getImage()
#5 /opt/sitedata/life-science-edu.net/wiki/extensions/FirstStepGift/FirstStepGift.php(240): FirstStepGift->getMedia()
#6 /opt/sitedata/life-science-edu.net/wiki/extensions/FirstStepGift/FirstStepGift.php(187): FirstStepGift->parseQuestion()
#7 /opt/sitedata/life-science-edu.net/wiki/extensions/FirstStepGift/FirstStepGift.php(81): FirstStepGift->parseQuestions()
#8 /opt/sitedata/life-science-edu.net/wiki/extensions/FirstStepGift/FirstStepGift.php(45): FirstStepGift->parseQuiz()
#9 /opt/sitedata/life-science-edu.net/wiki/includes/parser/Parser.php(4017): renderQuiz()
#10 /opt/sitedata/life-science-edu.net/wiki/includes/parser/PPFrame_Hash.php(353): Parser->extensionSubstitution()
#11 /opt/sitedata/life-science-edu.net/wiki/includes/parser/Parser.php(2951): PPFrame_Hash->expand()
#12 /opt/sitedata/life-science-edu.net/wiki/includes/parser/Parser.php(1609): Parser->replaceVariables()
#13 /opt/sitedata/life-science-edu.net/wiki/includes/parser/Parser.php(723): Parser->internalParse()
#14 /opt/sitedata/life-science-edu.net/wiki/includes/content/WikitextContentHandler.php(301): Parser->parse()
#15 /opt/sitedata/life-science-edu.net/wiki/includes/content/ContentHandler.php(1721): WikitextContentHandler->fillParserOutput()
#16 /opt/sitedata/life-science-edu.net/wiki/includes/content/Renderer/ContentRenderer.php(47): ContentHandler->getParserOutput()
#17 /opt/sitedata/life-science-edu.net/wiki/includes/Revision/RenderedRevision.php(266): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput()
#18 /opt/sitedata/life-science-edu.net/wiki/includes/Revision/RenderedRevision.php(237): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached()
#19 /opt/sitedata/life-science-edu.net/wiki/includes/Revision/RevisionRenderer.php(221): MediaWiki\Revision\RenderedRevision->getSlotParserOutput()
#20 /opt/sitedata/life-science-edu.net/wiki/includes/Revision/RevisionRenderer.php(158): MediaWiki\Revision\RevisionRenderer->combineSlotOutput()
#21 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}()
#22 /opt/sitedata/life-science-edu.net/wiki/includes/Revision/RenderedRevision.php(199): call_user_func()
#23 /opt/sitedata/life-science-edu.net/wiki/includes/poolcounter/PoolWorkArticleView.php(91): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#24 /opt/sitedata/life-science-edu.net/wiki/includes/poolcounter/PoolWorkArticleViewOld.php(66): PoolWorkArticleView->renderRevision()
#25 /opt/sitedata/life-science-edu.net/wiki/includes/poolcounter/PoolCounterWork.php(162): PoolWorkArticleViewOld->doWork()
#26 /opt/sitedata/life-science-edu.net/wiki/includes/page/ParserOutputAccess.php(299): PoolCounterWork->execute()
#27 /opt/sitedata/life-science-edu.net/wiki/includes/page/WikiPage.php(1291): MediaWiki\Page\ParserOutputAccess->getParserOutput()
#28 /opt/sitedata/life-science-edu.net/wiki/includes/diff/DifferenceEngine.php(1063): WikiPage->getParserOutput()
#29 /opt/sitedata/life-science-edu.net/wiki/includes/diff/DifferenceEngine.php(1016): DifferenceEngine->getParserOutput()
#30 /opt/sitedata/life-science-edu.net/wiki/includes/diff/DifferenceEngine.php(846): DifferenceEngine->renderNewRevision()
#31 /opt/sitedata/life-science-edu.net/wiki/includes/page/Article.php(908): DifferenceEngine->showDiffPage()
#32 /opt/sitedata/life-science-edu.net/wiki/includes/page/Article.php(465): Article->showDiffPage()
#33 /opt/sitedata/life-science-edu.net/wiki/includes/actions/ViewAction.php(78): Article->view()
#34 /opt/sitedata/life-science-edu.net/wiki/includes/MediaWiki.php(542): ViewAction->show()
#35 /opt/sitedata/life-science-edu.net/wiki/includes/MediaWiki.php(322): MediaWiki->performAction()
#36 /opt/sitedata/life-science-edu.net/wiki/includes/MediaWiki.php(904): MediaWiki->performRequest()
#37 /opt/sitedata/life-science-edu.net/wiki/includes/MediaWiki.php(562): MediaWiki->main()
#38 /opt/sitedata/life-science-edu.net/wiki/index.php(50): MediaWiki->run()
#39 /opt/sitedata/life-science-edu.net/wiki/index.php(46): wfIndexMain()
#40 {main}