Error Di CodeIgniter

A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'delete' at line 1

SET @no=delete

Filename: C:/xampp/htdocs/ci_dsusanto/system/database/DB_driver.php

Line Number: 691

kalau error seperti itu maksudnya apa ya gan? selagi running errornya kadang hilang kadang enggak... saya lagi ngoding crud codeigniter mohon bantuannya gan. terimakasih :)