CMC Framework - Fatal error!

A fatal error just occured...
This is probably due to a wrong installation or configuration

Error information:

Execution error
Error code:8
Error text:Trying to get property 'data' of non-object
In phar://php/cmc.phar/cmc/core/ui/material.php:351
Context:
#0 phar://php/cmc.phar/cmc/error/runtimeErrors.php(119): cmc\error\fatalErrors::trigger() #1 phar://php/cmc.phar/cmc/core/ui/material.php(351): cmc\error\runtimeErrors::HandleError() #2 phar://php/cmc.phar/cmc/core/ui/material.php(407): cmc\core\ui\material->moveScript() #3 phar://php/cmc.phar/cmc/ui/view.php(285): cmc\core\ui\material->moveScriptCodes() #4 phar://php/cmc.phar/cmc/app.php(322): cmc\ui\view->load() #5 phar://php/cmc.phar/cmc/app.php(488): cmc\app->load_viewbase() #6 phar://php/cmc.phar/cmc/sess.php(232): cmc\app->getRequestBaseView() #7 phar://php/cmc.phar/cmc/app.php(529): cmc\sess->getRequestView() #8 main.php(31): cmc\app->run() #9 {main}