Warning: Attempt to read property "Header" on null in C:\wamp64\www\mobile_st\8.8\insert_chart.php on line 19

Warning: foreach() argument must be of type array|object, null given in C:\wamp64\www\mobile_st\8.8\insert_chart.php on line 19

Warning: Undefined variable $stmt_insert_wko_ls11 in C:\wamp64\www\mobile_st\8.8\insert_chart.php on line 54
{"status":"Alert","message":"Transaction rolled back.
","data":[]}