Message SAP WRF_WLAY084 - There is a date overlap with the target layout module

Diagnosis
There is a date overlap with the target layout module. The last versionof the target module has the same start date as the version to be copiedor has a later start date. As a result, the version cannot be copied.

Procedure
The overlapping versions of the target layout module must be deleted oranother target layout module must be selected.