SAP Message RSDODSO220 - It might not be possible to reset this indicator after activation

Diagnosis If there is an activation object, the Do Not Check Uniqueness ofData flag can not be reset once the DataStore object has beenactivated. Procedure Note the message above and only set this flag if you do not want it tobe reset again for this DataStore object. The flag can be set in the DataStore object#s change mode at any time,but it may not be possible to reset it.