MediaWiki internal error.

Original exception: [e170da85a35f32986b8ed41a] /index.php?title=Translations:Recherche_en_JSON/5/fr&oldid=35273 Wikimedia\Assert\PostconditionException from line 202 of /home/webmaster/www/htdocs/wiki-bokeh/vendor/wikimedia/assert/src/Assert.php: Postcondition failed: makeTitleSafe() should always return a Title for the text returned by getRootText().
Backtrace:
#0 /home/webmaster/www/htdocs/wiki-bokeh/includes/Title.php(1986): Wikimedia\Assert\Assert::postcondition(boolean, string)
#1 /home/webmaster/www/htdocs/wiki-bokeh/extensions/Popups/includes/PopupsContext.php(186): Title->getRootTitle()
#2 /home/webmaster/www/htdocs/wiki-bokeh/extensions/Popups/includes/PopupsHooks.php(106): Popups\PopupsContext->isTitleExcluded(Title)
#3 /home/webmaster/www/htdocs/wiki-bokeh/includes/HookContainer/HookContainer.php(320): Popups\PopupsHooks::onBeforePageDisplay(OutputPage, SkinTweeki)
#4 /home/webmaster/www/htdocs/wiki-bokeh/includes/HookContainer/HookContainer.php(131): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#5 /home/webmaster/www/htdocs/wiki-bokeh/includes/HookContainer/HookRunner.php(991): MediaWiki\HookContainer\HookContainer->run(string, array, array)
#6 /home/webmaster/www/htdocs/wiki-bokeh/includes/OutputPage.php(2610): MediaWiki\HookContainer\HookRunner->onBeforePageDisplay(OutputPage, SkinTweeki)
#7 /home/webmaster/www/htdocs/wiki-bokeh/includes/MediaWiki.php(947): OutputPage->output(boolean)
#8 /home/webmaster/www/htdocs/wiki-bokeh/includes/MediaWiki.php(960): MediaWiki->{closure}()
#9 /home/webmaster/www/htdocs/wiki-bokeh/includes/MediaWiki.php(543): MediaWiki->main()
#10 /home/webmaster/www/htdocs/wiki-bokeh/index.php(53): MediaWiki->run()
#11 /home/webmaster/www/htdocs/wiki-bokeh/index.php(46): wfIndexMain()
#12 {main}

Exception caught inside exception handler: [e170da85a35f32986b8ed41a] /index.php?title=Translations:Recherche_en_JSON/5/fr&oldid=35273 Wikimedia\Assert\PostconditionException from line 202 of /home/webmaster/www/htdocs/wiki-bokeh/vendor/wikimedia/assert/src/Assert.php: Postcondition failed: makeTitleSafe() should always return a Title for the text returned by getRootText().
Backtrace:
#0 /home/webmaster/www/htdocs/wiki-bokeh/includes/Title.php(1986): Wikimedia\Assert\Assert::postcondition(boolean, string)
#1 /home/webmaster/www/htdocs/wiki-bokeh/extensions/Popups/includes/PopupsContext.php(186): Title->getRootTitle()
#2 /home/webmaster/www/htdocs/wiki-bokeh/extensions/Popups/includes/PopupsHooks.php(106): Popups\PopupsContext->isTitleExcluded(Title)
#3 /home/webmaster/www/htdocs/wiki-bokeh/includes/HookContainer/HookContainer.php(320): Popups\PopupsHooks::onBeforePageDisplay(OutputPage, SkinTweeki)
#4 /home/webmaster/www/htdocs/wiki-bokeh/includes/HookContainer/HookContainer.php(131): MediaWiki\HookContainer\HookContainer->callLegacyHook(string, array, array, array)
#5 /home/webmaster/www/htdocs/wiki-bokeh/includes/HookContainer/HookRunner.php(991): MediaWiki\HookContainer\HookContainer->run(string, array, array)
#6 /home/webmaster/www/htdocs/wiki-bokeh/includes/OutputPage.php(2610): MediaWiki\HookContainer\HookRunner->onBeforePageDisplay(OutputPage, SkinTweeki)
#7 /home/webmaster/www/htdocs/wiki-bokeh/includes/exception/MWExceptionRenderer.php(153): OutputPage->output()
#8 /home/webmaster/www/htdocs/wiki-bokeh/includes/exception/MWExceptionRenderer.php(65): MWExceptionRenderer::reportHTML(Wikimedia\Assert\PostconditionException)
#9 /home/webmaster/www/htdocs/wiki-bokeh/includes/exception/MWExceptionHandler.php(106): MWExceptionRenderer::output(Wikimedia\Assert\PostconditionException, integer)
#10 /home/webmaster/www/htdocs/wiki-bokeh/includes/exception/MWExceptionHandler.php(185): MWExceptionHandler::report(Wikimedia\Assert\PostconditionException)
#11 /home/webmaster/www/htdocs/wiki-bokeh/includes/MediaWiki.php(576): MWExceptionHandler::handleException(Wikimedia\Assert\PostconditionException, string)
#12 /home/webmaster/www/htdocs/wiki-bokeh/index.php(53): MediaWiki->run()
#13 /home/webmaster/www/htdocs/wiki-bokeh/index.php(46): wfIndexMain()
#14 {main}