Fatal error: Non-abstract method CDatabaseMysql::LastID() must contain body in /home/bitrix/www/bitrix/modules/main/classes/mysql/database.php on line 431

[ErrorException] E_COMPILE_ERROR
Non-abstract method CDatabaseMysql::LastID() must contain body (0)
/home/bitrix/www/bitrix/modules/main/classes/mysql/database.php:431
----------