Fatal error: Uncaught Error: Call to a member function exists() on null in D:\laragon\laragon\www\old\1 sept titulo\titulo\report\classes\exportpage.php:65 Stack trace: #0 D:\laragon\laragon\www\old\1 sept titulo\titulo\report\reporte_export.php(52): ExportPage->process() #1 {main} thrown in D:\laragon\laragon\www\old\1 sept titulo\titulo\report\classes\exportpage.php on line 65