SAP Message >U415 - CO posting period &1 (&2) is blocked for &3 (&4)

Diagnosis
For the transfer of the reconciliation key to the general ledger or theprofitability analysis (CO) for alternative posting date &V3& andcompany code &V4&, period &V1& for the assigned controlling area &V2&is blocked.

System Response
The data is not updated.

Procedure
In transaction FPG0, maintain the table of alternativeposting dates. Specify an alternative posting date for which theposting period is open and in which the data can be posted.