Warning: Trying to access array offset on value of type null in G:\HOST\wmsdemo\saveLPONumberData.php on line 16

Warning: foreach() argument must be of type array|object, null given in G:\HOST\wmsdemo\saveLPONumberData.php on line 16
{"status":"Data saved successfully"}
Fatal error: Uncaught TypeError: sqlsrv_close(): Argument #1 ($conn) must be of type resource, bool given in G:\HOST\wmsdemo\saveLPONumberData.php:51 Stack trace: #0 G:\HOST\wmsdemo\saveLPONumberData.php(51): sqlsrv_close(false) #1 {main} thrown in G:\HOST\wmsdemo\saveLPONumberData.php on line 51