Warning: Undefined array key "site_cd" in C:\wamp64\www\CMMS_SEHSA\get_job_mst.php on line 7

Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\CMMS_SEHSA\get_job_mst.php:9 Stack trace: #0 C:\wamp64\www\CMMS_SEHSA\get_job_mst.php(9): sqlsrv_query(false, 'SELECT \tjob_mst...') #1 {main} thrown in C:\wamp64\www\CMMS_SEHSA\get_job_mst.php on line 9