Diagnosis
You wish to create a release order against a contract.
The contract item, which was created without a material number,contains the order unitV2. in the release order, you have entered a material that has thebase unit of measure &V1&.
The base unit &V1& of the material cannot be converted into the orderunit &V2& of the contract item. The entry is therefore not allowed.

Procedure
Check the contract entered or maintain conversion factors in thematerial master record where necessary.
Change material master