SAP Message >6059 - Period gaps in correspondence creation for &1 &2 &3

Diagnosis
When correspondence was created, it was noticed that correspondence forthe previous period was not created. Gaps in correspondence creationfor this type of correspondence are not allowed.

System Response
The correspondence requested is not created.

Procedure
Using the correspondence history, check whichcorrespondence was last generated for this account, and reproduce themissing correspondence.