SAP Message WXP541 - Different storage periodicities for database table &1

Diagnosis
You are using database table &V1& in numerous planning steps in yourplanning scenario. Different storage periodicities (for example, monthand posting period) have been entered for planning steps &V2& and &V3&.

Procedure
If you want to enter actual data in this database table using updating,you can only do this for one storage periodicity or fiscal yearvariant. You must, however, use the same periodicity for all planningsteps in database table &V1&.
The above limitation is not valid if actual data is to be taken from aBW infocube (a suitable plug-in is required) or if no actual data canbe entered in the database table. You can ignore the warning thatappears.