MediaWiki internal error.

Original exception: [6e803340e18f9707a9b8bd8d] /wiki/index.php?action=history&title=Biology:Loop_modeling ParseError: syntax error, unexpected token "else"
Backtrace:
from /var/www/html/handwiki/public_html/wiki/extensions/SecureCode/SecureCode.hooks.php(75)
#0 /var/www/html/handwiki/public_html/wiki/includes/HookContainer/HookContainer.php(338): AutoLoader::autoload()
#1 /var/www/html/handwiki/public_html/wiki/includes/HookContainer/HookContainer.php(137): MediaWiki\HookContainer\HookContainer->callLegacyHook()
#2 /var/www/html/handwiki/public_html/wiki/includes/HookContainer/HookRunner.php(2872): MediaWiki\HookContainer\HookContainer->run()
#3 /var/www/html/handwiki/public_html/wiki/includes/parser/Parser.php(533): MediaWiki\HookContainer\HookRunner->onParserFirstCallInit()
#4 /var/www/html/handwiki/public_html/wiki/includes/parser/ParserFactory.php(196): Parser->__construct()
#5 /var/www/html/handwiki/public_html/wiki/includes/ServiceWiring.php(1211): ParserFactory->create()
#6 /var/www/html/handwiki/public_html/wiki/vendor/wikimedia/services/src/ServiceContainer.php(447): Wikimedia\Services\ServiceContainer::{closure}()
#7 /var/www/html/handwiki/public_html/wiki/vendor/wikimedia/services/src/ServiceContainer.php(416): Wikimedia\Services\ServiceContainer->createService()
#8 /var/www/html/handwiki/public_html/wiki/includes/MediaWikiServices.php(294): Wikimedia\Services\ServiceContainer->getService()
#9 /var/www/html/handwiki/public_html/wiki/includes/MediaWikiServices.php(1366): MediaWiki\MediaWikiServices->getService()
#10 /var/www/html/handwiki/public_html/wiki/includes/cache/MessageCache.php(1270): MediaWiki\MediaWikiServices->getParser()
#11 /var/www/html/handwiki/public_html/wiki/includes/cache/MessageCache.php(1295): MessageCache->getParser()
#12 /var/www/html/handwiki/public_html/wiki/includes/language/Message.php(1445): MessageCache->parse()
#13 /var/www/html/handwiki/public_html/wiki/includes/language/Message.php(1002): Message->parseText()
#14 /var/www/html/handwiki/public_html/wiki/includes/language/Message.php(1060): Message->format()
#15 /var/www/html/handwiki/public_html/wiki/includes/htmlform/HTMLFormField.php(508): Message->parse()
#16 /var/www/html/handwiki/public_html/wiki/includes/htmlform/HTMLForm.php(555): HTMLFormField->__construct()
#17 /var/www/html/handwiki/public_html/wiki/includes/htmlform/OOUIHTMLForm.php(52): HTMLForm::loadInputFromParameters()
#18 /var/www/html/handwiki/public_html/wiki/includes/htmlform/HTMLForm.php(404): OOUIHTMLForm::loadInputFromParameters()
#19 /var/www/html/handwiki/public_html/wiki/includes/htmlform/HTMLForm.php(381): HTMLForm->addFields()
#20 /var/www/html/handwiki/public_html/wiki/includes/htmlform/OOUIHTMLForm.php(38): HTMLForm->__construct()
#21 /var/www/html/handwiki/public_html/wiki/includes/htmlform/HTMLForm.php(337): OOUIHTMLForm->__construct()
#22 /var/www/html/handwiki/public_html/wiki/includes/actions/HistoryAction.php(278): HTMLForm::factory()
#23 /var/www/html/handwiki/public_html/wiki/includes/actions/FormlessAction.php(48): HistoryAction->onView()
#24 /var/www/html/handwiki/public_html/wiki/includes/MediaWiki.php(543): FormlessAction->show()
#25 /var/www/html/handwiki/public_html/wiki/includes/MediaWiki.php(321): MediaWiki->performAction()
#26 /var/www/html/handwiki/public_html/wiki/includes/MediaWiki.php(912): MediaWiki->performRequest()
#27 /var/www/html/handwiki/public_html/wiki/includes/MediaWiki.php(563): MediaWiki->main()
#28 /var/www/html/handwiki/public_html/wiki/index.php(53): MediaWiki->run()
#29 /var/www/html/handwiki/public_html/wiki/index.php(46): wfIndexMain()
#30 {main}

Exception caught inside exception handler: [6e803340e18f9707a9b8bd8d] /wiki/index.php?action=history&title=Biology:Loop_modeling ParseError: syntax error, unexpected token "else"
Backtrace:
from /var/www/html/handwiki/public_html/wiki/extensions/SecureCode/SecureCode.hooks.php(75)
#0 /var/www/html/handwiki/public_html/wiki/includes/HookContainer/HookContainer.php(338): AutoLoader::autoload()
#1 /var/www/html/handwiki/public_html/wiki/includes/HookContainer/HookContainer.php(137): MediaWiki\HookContainer\HookContainer->callLegacyHook()
#2 /var/www/html/handwiki/public_html/wiki/includes/HookContainer/HookRunner.php(2872): MediaWiki\HookContainer\HookContainer->run()
#3 /var/www/html/handwiki/public_html/wiki/includes/parser/Parser.php(533): MediaWiki\HookContainer\HookRunner->onParserFirstCallInit()
#4 /var/www/html/handwiki/public_html/wiki/includes/parser/ParserFactory.php(196): Parser->__construct()
#5 /var/www/html/handwiki/public_html/wiki/includes/ServiceWiring.php(1211): ParserFactory->create()
#6 /var/www/html/handwiki/public_html/wiki/vendor/wikimedia/services/src/ServiceContainer.php(447): Wikimedia\Services\ServiceContainer::{closure}()
#7 /var/www/html/handwiki/public_html/wiki/vendor/wikimedia/services/src/ServiceContainer.php(416): Wikimedia\Services\ServiceContainer->createService()
#8 /var/www/html/handwiki/public_html/wiki/includes/MediaWikiServices.php(294): Wikimedia\Services\ServiceContainer->getService()
#9 /var/www/html/handwiki/public_html/wiki/includes/MediaWikiServices.php(1366): MediaWiki\MediaWikiServices->getService()
#10 /var/www/html/handwiki/public_html/wiki/includes/cache/MessageCache.php(1270): MediaWiki\MediaWikiServices->getParser()
#11 /var/www/html/handwiki/public_html/wiki/includes/cache/MessageCache.php(1295): MessageCache->getParser()
#12 /var/www/html/handwiki/public_html/wiki/includes/language/Message.php(1445): MessageCache->parse()
#13 /var/www/html/handwiki/public_html/wiki/includes/language/Message.php(1002): Message->parseText()
#14 /var/www/html/handwiki/public_html/wiki/includes/language/Message.php(1060): Message->format()
#15 /var/www/html/handwiki/public_html/wiki/includes/skins/Skin.php(750): Message->parse()
#16 /var/www/html/handwiki/public_html/wiki/includes/skins/SkinTemplate.php(325): Skin->printSource()
#17 /var/www/html/handwiki/public_html/wiki/includes/skins/SkinTemplate.php(133): SkinTemplate->prepareQuickTemplate()
#18 /var/www/html/handwiki/public_html/wiki/includes/skins/SkinTemplate.php(150): SkinTemplate->generateHTML()
#19 /var/www/html/handwiki/public_html/wiki/includes/OutputPage.php(2807): SkinTemplate->outputPage()
#20 /var/www/html/handwiki/public_html/wiki/includes/exception/MWExceptionRenderer.php(157): OutputPage->output()
#21 /var/www/html/handwiki/public_html/wiki/includes/exception/MWExceptionRenderer.php(76): MWExceptionRenderer::reportHTML()
#22 /var/www/html/handwiki/public_html/wiki/includes/exception/MWExceptionHandler.php(107): MWExceptionRenderer::output()
#23 /var/www/html/handwiki/public_html/wiki/includes/exception/MWExceptionHandler.php(202): MWExceptionHandler::report()
#24 /var/www/html/handwiki/public_html/wiki/includes/MediaWiki.php(585): MWExceptionHandler::handleException()
#25 /var/www/html/handwiki/public_html/wiki/index.php(53): MediaWiki->run()
#26 /var/www/html/handwiki/public_html/wiki/index.php(46): wfIndexMain()
#27 {main}