SAP Message 62505 - Program run only possible at end of month. Reference date is &

Diagnosis
You have tried to start a program with an invalid date. The program canonly be started for the last day of a month. The reference date youhave entered, however, is the &v1&.

System Response
The system prevents further processing.

Procedure
Start the program with the last day of a month.

73118Moved settlement periods at month end > 28