Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /home/checkbermongkol/public_html/include/class.php:30
Stack trace:
#0 /home/checkbermongkol/public_html/phonenumber.php(87): Main->selectField('SELECT * FROM ...')
#1 /home/checkbermongkol/public_html/index.php(38): include('/home/checkberm...')
#2 {main}
thrown in /home/checkbermongkol/public_html/include/class.php on line 30