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Warning: Undefined array key "prm_mst_assetno" in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\get_prm_list.php on line 10

Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\get_prm_list.php:31 Stack trace: #0 C:\wamp64\www\React_mob_Dev\CAFMS\8.4\get_prm_list.php(31): sqlsrv_query(false, 'select prm_mst_...') #1 {main} thrown in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\get_prm_list.php on line 31