when i create a material copy from a material, valuation class is a must enter field, but a user id is not enter valuation class and save the material. the material is save and valuation class is null. so the material has error. and other user id if not enter valuation class then the material can't save.
valuation class is a must enter field, if it is null so the mateial can't save. but now a user id can save it. i check t_code:omt3u,
the value is same. if anyone met the same case please help me. thanks!