Diagnosis
You want to create incoming correspondence in a year with a reducedperiod (year with 53 weeks).
The system determined that the Rule for ShortenedPeriods is set such that no incoming correspondence can be createdfor shortened periods.

System Response
No incoming correspondence is created for shortened periods.

Procedure
If required, change the Customizing setting in the IMG activityDefine Incoming Correspondence forShortened Periods in the industry component Public SectorContract Accounts Receivable and Payable.