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Fatal error: Uncaught Error: Call to a member function query() on null in C:\xampp\htdocs\mrc_labor - Copy (2)\labor_case\PERFORMANCE - Copy\PERFORMANCE\New folder\performance.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\mrc_labor - Copy (2)\labor_case\PERFORMANCE - Copy\PERFORMANCE\New folder\performance.php on line 25