Fatal error: Uncaught Error: Call to undefined function lang() in C:\xampp\htdocs\Smart Hospital v6.0 Nulled\smart_hospital_update_5.0_to_6.0\step-2\application\config\payroll.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Smart Hospital v6.0 Nulled\smart_hospital_update_5.0_to_6.0\step-2\application\config\payroll.php on line 13