Warning: Undefined variable $stmt in C:\wamp64\www\CMMS_MY03\off_update_workorder_response_sing_file.php on line 267

Fatal error: Uncaught TypeError: sqlsrv_free_stmt(): Argument #1 ($stmt) must be of type resource, null given in C:\wamp64\www\CMMS_MY03\off_update_workorder_response_sing_file.php:267 Stack trace: #0 C:\wamp64\www\CMMS_MY03\off_update_workorder_response_sing_file.php(267): sqlsrv_free_stmt(NULL) #1 {main} thrown in C:\wamp64\www\CMMS_MY03\off_update_workorder_response_sing_file.php on line 267