MediaWiki internal error.

Original exception: [ebe677141168048aa5a3e98c] /documentations/Discussion_Trucs:Yes_! Error: Call to undefined function curl_multi_exec()
Backtrace:
from /home/leaprod/public_html/docs/includes/libs/http/MultiHttpClient.php(271)
#0 /home/leaprod/public_html/docs/includes/libs/http/MultiHttpClient.php(217): MultiHttpClient->runMultiCurl()
#1 /home/leaprod/public_html/docs/includes/libs/virtualrest/VirtualRESTServiceClient.php(269): MultiHttpClient->runMulti()
#2 /home/leaprod/public_html/docs/extensions/Math/src/MathRestbaseInterface.php(174): VirtualRESTServiceClient->runMulti()
#3 /home/leaprod/public_html/docs/extensions/Math/src/MathMathML.php(108): MediaWiki\Extension\Math\MathRestbaseInterface::batchEvaluate()
#4 /home/leaprod/public_html/docs/extensions/Math/src/HookHandlers/ParserHooksHandler.php(163): MediaWiki\Extension\Math\MathMathML::batchEvaluate()
#5 /home/leaprod/public_html/docs/includes/HookContainer/HookContainer.php(160): MediaWiki\Extension\Math\HookHandlers\ParserHooksHandler->onParserAfterTidy()
#6 /home/leaprod/public_html/docs/includes/HookContainer/HookRunner.php(2863): MediaWiki\HookContainer\HookContainer->run()
#7 /home/leaprod/public_html/docs/includes/parser/Parser.php(1738): MediaWiki\HookContainer\HookRunner->onParserAfterTidy()
#8 /home/leaprod/public_html/docs/includes/parser/Parser.php(703): Parser->internalParseHalfParsed()
#9 /home/leaprod/public_html/docs/includes/content/WikitextContentHandler.php(346): Parser->parse()
#10 /home/leaprod/public_html/docs/includes/content/ContentHandler.php(1748): WikitextContentHandler->fillParserOutput()
#11 /home/leaprod/public_html/docs/includes/content/Renderer/ContentRenderer.php(47): ContentHandler->getParserOutput()
#12 /home/leaprod/public_html/docs/includes/Revision/RenderedRevision.php(260): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput()
#13 /home/leaprod/public_html/docs/includes/Revision/RenderedRevision.php(232): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached()
#14 /home/leaprod/public_html/docs/includes/Revision/RevisionRenderer.php(227): MediaWiki\Revision\RenderedRevision->getSlotParserOutput()
#15 /home/leaprod/public_html/docs/includes/Revision/RevisionRenderer.php(164): MediaWiki\Revision\RevisionRenderer->combineSlotOutput()
#16 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}()
#17 /home/leaprod/public_html/docs/includes/Revision/RenderedRevision.php(199): call_user_func()
#18 /home/leaprod/public_html/docs/includes/poolcounter/PoolWorkArticleView.php(87): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#19 /home/leaprod/public_html/docs/includes/poolcounter/PoolWorkArticleViewCurrent.php(92): PoolWorkArticleView->renderRevision()
#20 /home/leaprod/public_html/docs/includes/poolcounter/PoolCounterWork.php(166): PoolWorkArticleViewCurrent->doWork()
#21 /home/leaprod/public_html/docs/includes/page/ParserOutputAccess.php(299): PoolCounterWork->execute()
#22 /home/leaprod/public_html/docs/includes/page/Article.php(735): MediaWiki\Page\ParserOutputAccess->getParserOutput()
#23 /home/leaprod/public_html/docs/includes/page/Article.php(545): Article->generateContentOutput()
#24 /home/leaprod/public_html/docs/includes/actions/ViewAction.php(78): Article->view()
#25 /home/leaprod/public_html/docs/includes/MediaWiki.php(556): ViewAction->show()
#26 /home/leaprod/public_html/docs/includes/MediaWiki.php(333): MediaWiki->performAction()
#27 /home/leaprod/public_html/docs/includes/MediaWiki.php(923): MediaWiki->performRequest()
#28 /home/leaprod/public_html/docs/includes/MediaWiki.php(576): MediaWiki->main()
#29 /home/leaprod/public_html/docs/index.php(50): MediaWiki->run()
#30 /home/leaprod/public_html/docs/index.php(46): wfIndexMain()
#31 {main}

Exception caught inside exception handler: [ebe677141168048aa5a3e98c] /documentations/Discussion_Trucs:Yes_! Error: Call to undefined function curl_multi_exec()
Backtrace:
from /home/leaprod/public_html/docs/includes/libs/http/MultiHttpClient.php(271)
#0 /home/leaprod/public_html/docs/includes/libs/http/MultiHttpClient.php(217): MultiHttpClient->runMultiCurl()
#1 /home/leaprod/public_html/docs/includes/libs/virtualrest/VirtualRESTServiceClient.php(269): MultiHttpClient->runMulti()
#2 /home/leaprod/public_html/docs/extensions/Math/src/MathRestbaseInterface.php(174): VirtualRESTServiceClient->runMulti()
#3 /home/leaprod/public_html/docs/extensions/Math/src/MathMathML.php(108): MediaWiki\Extension\Math\MathRestbaseInterface::batchEvaluate()
#4 /home/leaprod/public_html/docs/extensions/Math/src/HookHandlers/ParserHooksHandler.php(163): MediaWiki\Extension\Math\MathMathML::batchEvaluate()
#5 /home/leaprod/public_html/docs/includes/HookContainer/HookContainer.php(160): MediaWiki\Extension\Math\HookHandlers\ParserHooksHandler->onParserAfterTidy()
#6 /home/leaprod/public_html/docs/includes/HookContainer/HookRunner.php(2863): MediaWiki\HookContainer\HookContainer->run()
#7 /home/leaprod/public_html/docs/includes/parser/Parser.php(1738): MediaWiki\HookContainer\HookRunner->onParserAfterTidy()
#8 /home/leaprod/public_html/docs/includes/parser/Parser.php(703): Parser->internalParseHalfParsed()
#9 /home/leaprod/public_html/docs/includes/language/MessageCache.php(1411): Parser->parse()
#10 /home/leaprod/public_html/docs/includes/language/Message.php(1428): MessageCache->parse()
#11 /home/leaprod/public_html/docs/includes/language/Message.php(1005): Message->parseText()
#12 /home/leaprod/public_html/docs/includes/language/Message.php(1043): Message->format()
#13 /home/leaprod/public_html/docs/includes/skins/Skin.php(777): Message->parse()
#14 /home/leaprod/public_html/docs/includes/skins/SkinMustache.php(86): Skin->printSource()
#15 /home/leaprod/public_html/docs/skins/Vector/includes/SkinVectorLegacy.php(161): SkinMustache->getTemplateData()
#16 /home/leaprod/public_html/docs/includes/skins/SkinMustache.php(62): MediaWiki\Skins\Vector\SkinVectorLegacy->getTemplateData()
#17 /home/leaprod/public_html/docs/includes/skins/SkinTemplate.php(181): SkinMustache->generateHTML()
#18 /home/leaprod/public_html/docs/includes/OutputPage.php(2899): SkinTemplate->outputPage()
#19 /home/leaprod/public_html/docs/includes/exception/MWExceptionRenderer.php(184): OutputPage->output()
#20 /home/leaprod/public_html/docs/includes/exception/MWExceptionRenderer.php(103): MWExceptionRenderer::reportHTML()
#21 /home/leaprod/public_html/docs/includes/exception/MWExceptionHandler.php(132): MWExceptionRenderer::output()
#22 /home/leaprod/public_html/docs/includes/exception/MWExceptionHandler.php(249): MWExceptionHandler::report()
#23 /home/leaprod/public_html/docs/includes/MediaWiki.php(598): MWExceptionHandler::handleException()
#24 /home/leaprod/public_html/docs/index.php(50): MediaWiki->run()
#25 /home/leaprod/public_html/docs/index.php(46): wfIndexMain()
#26 {main}