is it possible to change the material type of material after creation. for example raw material to semi finished. if so how?
Please use transaction MMAM / SAPMM03Z in SE38..But first of all you've to check if it is possible to change The material type .
Material type cannot be changed. If :
1.Purchase orders exist .
2.The material is already used in BOM items whose item category defines quantity-based inventory management. However, quantity-based inventory management is not defined by the new material type.
3.Production orders exist for the material. This is not allowed if only external procurement is defined for the new material type, or if the new material type has a different account category reference than the old material type.
4.Stock is already exist for the material