SAP Message >U033 - No posting period is open for different posting date &1 (&2) &3

Diagnosis
During the transfer of reconciliation key &V3& to the general ledger orfinancial statements, no open posting period was found for alternativeposting date &V1& and company code &V2&.

System Response
The data was not updated.

Procedure
Using transaction
FPG0, maintain the table of alternative posting data.Specify an alternative posting date in an open posting period to whichthe data can be posted.