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Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in C:\xampp\htdocs\hannoole\PMS\storage\framework\views\c68ba96f5cf3219e7390c14df60d11e8.php:1 Stack trace: #0 C:\xampp\htdocs\hannoole\PMS\storage\framework\views\c68ba96f5cf3219e7390c14df60d11e8.php(1): in_array('internship_date', NULL) #1 {main} thrown in C:\xampp\htdocs\hannoole\PMS\storage\framework\views\c68ba96f5cf3219e7390c14df60d11e8.php on line 1