[2016-08-05 21:22:01] grav.CRITICAL: array_keys() expects parameter 1 to be array, null given - Trace: #0 [internal function]: Whoops\Run->handleError(2, 'array_keys() ex...', 'C:\\Inetpub\\vhos...', 222, Array) #1 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\user\plugins\mathjax\classes\MathJax.php(222): array_keys(NULL) #2 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\user\plugins\mathjax\mathjax.php(151): Grav\Plugin\MathJax->normalize('<h1>MedStat Stu...', 'html') #3 [internal function]: Grav\Plugin\MathJaxPlugin->onPageContentProcessed(Object(RocketTheme\Toolbox\Event\Event), 'onPageContentPr...', Object(RocketTheme\Toolbox\Event\EventDispatcher)) #4 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\vendor\symfony\event-dispatcher\EventDispatcher.php(184): call_user_func(Array, Object(RocketTheme\Toolbox\Event\Event), 'onPageContentPr...', Object(RocketTheme\Toolbox\Event\EventDispatcher)) #5 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\vendor\symfony\event-dispatcher\EventDispatcher.php(46): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'onPageContentPr...', Object(RocketTheme\Toolbox\Event\Event)) #6 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\vendor\rockettheme\toolbox\Event\src\EventDispatcher.php(23): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('onPageContentPr...', Object(RocketTheme\Toolbox\Event\Event)) #7 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Grav.php(297): RocketTheme\Toolbox\Event\EventDispatcher->dispatch('onPageContentPr...', Object(RocketTheme\Toolbox\Event\Event)) #8 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Page\Page.php(588): Grav\Common\Grav->fireEvent('onPageContentPr...', Object(RocketTheme\Toolbox\Event\Event)) #9 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Twig\Twig.php(319): Grav\Common\Page\Page->content() #10 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Service\OutputServiceProvider.php(19): Grav\Common\Twig\Twig->processSite(NULL) #11 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\vendor\pimple\pimple\src\Pimple\Container.php(113): Grav\Common\Service\OutputServiceProvider->Grav\Common\Service\{closure}(Object(Grav\Common\Grav)) #12 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Processors\RenderProcessor.php(17): Pimple\Container->offsetGet('output') #13 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Grav.php(121): Grav\Common\Processors\RenderProcessor->process() #14 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Grav.php(383): Grav\Common\Grav->Grav\Common\{closure}() #15 [internal function]: Grav\Common\Grav::Grav\Common\{closure}('render', 'Render', Object(Closure)) #16 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Grav.php(359): call_user_func_array(Object(Closure), Array) #17 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\system\src\Grav\Common\Grav.php(122): Grav\Common\Grav->__call('measureTime', Array) #18 C:\Inetpub\vhosts\menne-biomed.de\httpdocs\blog\index.php(45): Grav\Common\Grav->process() #19 {main} [] []