Fatal error: Uncaught Error: Call to undefined method Modules\InvDelTimReport\Model::createReportAsExcel() in /home/bega-gruppe-begahub/htdocs/begahub.bega-gruppe.de/src/Modules/InvDelTimReport/Controller.php:86 Stack trace: #0 /home/bega-gruppe-begahub/htdocs/begahub.bega-gruppe.de/index.php(18): Modules\InvDelTimReport\Controller->downloadReportAsExcel() #1 {main} thrown in /home/bega-gruppe-begahub/htdocs/begahub.bega-gruppe.de/src/Modules/InvDelTimReport/Controller.php on line 86