Fatal error: Uncaught Error: Using $this when not in object context in C:\xampp\htdocs\crop_db\templates_c\%%99^99B^99B73DE7%%excel_grid.tpl.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\crop_db\templates_c\%%99^99B^99B73DE7%%excel_grid.tpl.php on line 1