Fatal error: Uncaught Error: Call to a member function exists() on null in D:\laragon\laragon\www\old\back10jul\titulo11a\report\classes\importpage.php:78 Stack trace: #0 D:\laragon\laragon\www\old\back10jul\titulo11a\report\reporte_import.php(51): ImportPage->process() #1 {main} thrown in D:\laragon\laragon\www\old\back10jul\titulo11a\report\classes\importpage.php on line 78