SAP Message BK252 - The total of the subquantities is greater than the quantity for reposting

Diagnosis
When you reposted item &V1& for CO document &V2&, you distributed thequantity. The total of the subquantities is greater than the amount ofthe quantity originally posted.

System Response
The quantity cannot be distributed as you require.

Procedure
Distribute the quantities of item &V1& for document &V2& differently.