ERR: Access denied for user 'root'@'localhost' (using password: NO)
#0 /home/upturnbd/apon-new.upturnbd.xyz/application/includes/db.php(14): mysqli->__construct('127.0.0.1', 'root', '', 'pos26')
#1 /home/upturnbd/apon-new.upturnbd.xyz/application/includes/db.php(100): db()
#2 /home/upturnbd/apon-new.upturnbd.xyz/tools/test_transfer_save.php(27): db_transaction(Object(Closure))
#3 {main}