Warning: Trying to access array offset on null in C:\wamp64\www\React_test\insert_purchase_order_line.php on line 22

Warning: Trying to access array offset on null in C:\wamp64\www\React_test\insert_purchase_order_line.php on line 22

Warning: Trying to access array offset on null in C:\wamp64\www\React_test\insert_purchase_order_line.php on line 23

Warning: Trying to access array offset on null in C:\wamp64\www\React_test\insert_purchase_order_line.php on line 23

Warning: Trying to access array offset on null in C:\wamp64\www\React_test\insert_purchase_order_line.php on line 25

Warning: Trying to access array offset on null in C:\wamp64\www\React_test\insert_purchase_order_line.php on line 25

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in C:\wamp64\www\React_test\insert_purchase_order_line.php:75 Stack trace: #0 {main} thrown in C:\wamp64\www\React_test\insert_purchase_order_line.php on line 75