Discuz! info: MySQL Query Error

Time: 2019-10-18 6:29pm
Script: /book.php

SQL: UPDATE book SET totalwordcount= WHERE bid='2590';
Error: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'WHERE bid='2590'' at line 1
Errno.: 1064

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