SAP Message UCF8027 - Reference document &1 already reversed; inverse entry is not possible

Diagnosis
Reference document &V1& has already been reversed in a later period(document number/period/fiscal year of reversal document: &V2&). Inthis case, the system posts a new document with reversed debit/creditsigns only if the current posting period is the same as the postingperiod of the reference document. However, these two periods differ.

System Response
The reference document cannot be processed.

Procedure
Change the current posting period to that of reference document &V3&.