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Fatal error: Uncaught Error: Call to a member function total() on null in C:\xampp\htdocs\kedms\storage\framework\views\767d01be91521628455b7b144f83657690d5d774.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kedms\storage\framework\views\767d01be91521628455b7b144f83657690d5d774.php on line 1