MySQL error in file: /engine/inc/board/board.class.php at line 1975

Error Number: 1366

The Error returned was:
Incorrect integer value: '' for column `svetlov_db`.`dle_board_post`.`vip_date` at row 1

SQL query:

UPDATE dle_board_post SET `vip_date`='' WHERE `vip_date` < '1783768102'