PSA reverse posting

When the data is loaded to BW Infocube and then it is compresed then u can't delete the data pertaining to this request in the cube . For this what u can do is if the request is loaded via PSA then u can click on the Request Reverse Posting option on the MOnitor screen of the particular Request . This will reverse the sign of the keyfigures loaded into the InfoCube for that particular request only ,so that it will make overall keyfigyure value in the cube for this particular request to 0


Reverse posting to be done by system @ Monitoring --> Scheduler --> Reverse posting --> Immediate & Save.
This will nullify the before request values by sending reverse values.
This can be done only if the loaded data is still present in PSA.