SAP Message RP796 - No changes were made

Diagnosis
There may be several reasons why there were no changes:
You have not performed any actions.
You have performed actions that cancel each other out. For example, youhave assigned a wage type to a wage type group and then deleted thisgroup.
You have assigned a wage type to the group to which it already belongs,or you have attempted to delete wage types from groups to which theyare not assigned.