SAP Message 1B059 - Date &4 is in the period flagged for archiving

Diagnosis
For date &v4& the entries for archiving object &v1& for account &v2&are flagged for archiving. Changing this data is therefore notpermissible. The final date for archiving release is &v3&.

System Response
The operation was terminated.

Procedure
Extend the period in which the data for table group &v1& remains in thesystem.