SAP Message AJ566 - Doc. no. &1, installation &2, period &3-&4: Error cancelling usage factor

Diagnosis
During the adjustment reversal of billing document number &V1&, areversal of the usage factors for installation &V2& for period &V3& toV4.
An error occurred during this procedure. The previous message containsthe exact cause of error.

Procedure
If you cannot find a solution to this problem using the errordescription, please contact SAP.