Partial receiving in purchase order

Hi,everyone

Actually i create one purchase order for quantity of 4 nos,But i recieve only 2nos after then i gone packing slip posting for remaining 2 nos by defining in the receive now field.

While Partial recieving the quantity in purchase order, the system is showning the error below.

Cannot create a record in Dimension history for documents (InventReportDimHistory). Type: None, .
The record already exists.

My Regards

Nanju

Check Storage dimensions.

Akusman