Internal error

[d58033f17753ab26860d3530] /wiki/Caprese_tower_(recipe) TypeError: Unsupported operand types: string * int

Backtrace:

from /var/www/html/extensions/PageForms/includes/parserfunctions/PF_TemplateDisplay.php(254)
#0 /var/www/html/extensions/PageForms/includes/parserfunctions/PF_TemplateDisplay.php(145): PFTemplateDisplay::ratingText()
#1 /var/www/html/includes/parser/Parser.php(3492): PFTemplateDisplay::run()
#2 /var/www/html/includes/parser/Parser.php(3147): MediaWiki\Parser\Parser->callParserFunction()
#3 /var/www/html/includes/parser/PPFrame_Hash.php(280): MediaWiki\Parser\Parser->braceSubstitution()
#4 /var/www/html/includes/parser/Parser.php(3348): MediaWiki\Parser\PPFrame_Hash->expand()
#5 /var/www/html/includes/parser/PPFrame_Hash.php(280): MediaWiki\Parser\Parser->braceSubstitution()
#6 /var/www/html/includes/parser/Parser.php(2970): MediaWiki\Parser\PPFrame_Hash->expand()
#7 /var/www/html/includes/parser/Parser.php(1606): MediaWiki\Parser\Parser->replaceVariables()
#8 /var/www/html/includes/parser/Parser.php(705): MediaWiki\Parser\Parser->internalParse()
#9 /var/www/html/includes/content/WikitextContentHandler.php(380): MediaWiki\Parser\Parser->parse()
#10 /var/www/html/includes/content/ContentHandler.php(1743): MediaWiki\Content\WikitextContentHandler->fillParserOutput()
#11 /var/www/html/includes/content/Renderer/ContentRenderer.php(75): MediaWiki\Content\ContentHandler->getParserOutput()
#12 /var/www/html/includes/Revision/RenderedRevision.php(260): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput()
#13 /var/www/html/includes/Revision/RenderedRevision.php(233): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached()
#14 /var/www/html/includes/Revision/RevisionRenderer.php(236): MediaWiki\Revision\RenderedRevision->getSlotParserOutput()
#15 /var/www/html/includes/Revision/RevisionRenderer.php(169): MediaWiki\Revision\RevisionRenderer->combineSlotOutput()
#16 /var/www/html/includes/Revision/RenderedRevision.php(196): MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}()
#17 /var/www/html/includes/poolcounter/PoolWorkArticleView.php(110): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#18 /var/www/html/includes/poolcounter/PoolWorkArticleViewCurrent.php(129): MediaWiki\PoolCounter\PoolWorkArticleView->renderRevision()
#19 /var/www/html/includes/poolcounter/PoolCounterWork.php(173): MediaWiki\PoolCounter\PoolWorkArticleViewCurrent->doWork()
#20 /var/www/html/includes/page/ParserOutputAccess.php(364): MediaWiki\PoolCounter\PoolCounterWork->execute()
#21 /var/www/html/includes/page/Article.php(834): MediaWiki\Page\ParserOutputAccess->getParserOutput()
#22 /var/www/html/includes/page/Article.php(551): MediaWiki\Page\Article->generateContentOutput()
#23 /var/www/html/includes/actions/ViewAction.php(80): MediaWiki\Page\Article->view()
#24 /var/www/html/includes/actions/ActionEntryPoint.php(728): MediaWiki\Actions\ViewAction->show()
#25 /var/www/html/includes/actions/ActionEntryPoint.php(505): MediaWiki\Actions\ActionEntryPoint->performAction()
#26 /var/www/html/includes/actions/ActionEntryPoint.php(143): MediaWiki\Actions\ActionEntryPoint->performRequest()
#27 /var/www/html/includes/MediaWikiEntryPoint.php(202): MediaWiki\Actions\ActionEntryPoint->execute()
#28 /var/www/html/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#29 {main}