Error with updating member level

Database query error

Query:
SELECT `sys_acl_levels_members`.IDLevel as ID, `sys_acl_levels`.Name as Name, UNIX_TIMESTAMP(`sys_acl_levels_members`.DateStarts) as DateStarts, UNIX_TIMESTAMP(`sys_acl_levels_members`.DateExpires) as DateExpires, `sys_acl_levels_members`.`TransactionID` AS `TransactionID` FROM `sys_acl_levels_members` RIGHT JOIN Profiles ON `sys_acl_levels_members`.IDMember = Profiles.ID AND (`sys_acl_levels_members`.DateStarts IS NULL OR `sys_acl_levels_members`.DateStarts <= FROM_UNIXTIME(-1)) AND (`sys_acl_levels_members`.DateExpires IS NULL OR `sys_acl_levels_members`.DateExpires > FROM_UNIXTIME(-1)) LEFT JOIN `sys_acl_levels` ON `sys_acl_levels_members`.IDLevel = `sys_acl_levels`.ID WHERE Profiles.ID = 2 ORDER BY `sys_acl_levels_members`.DateStarts DESC LIMIT 0, 1

Mysql error:
Column 'DateStarts' cannot be null

This is iin Dolphin 7.0

Can someone help me please???

Robcom