1. How to change the valuation Class of Material Master (MM02)?
If you want change the valuation, then you have the change of the valuation class, and this is not possible if you With stock.
What else would did than moving the stock from old material to new material?
If it is the equally set up and then you can use MIGO with 309 movement, otherwise issue to the stock of old material to cost center (201 movement) and cancel the goods issue to cost center (202 movement) using the new material number. Of course the prices has to equal in both materials, otherwise your leave a difference on the cost center
Believe me, this answers can is found in those existing discussions.
Preconditions for changing valuation class:
(1) No stocks in current and previous period!
Be sure this no stocks in actual and previous period exist. Refer to note 30656, with a example how to get zero stocks.
(2) No Purchase orders without deletion flag!
See SE16->table Ekpo. Select all PO items of the related material. If you found items with Loekz <> ' L ', you have the to delete them in ME22.
(3) No Production orders!
See SE16->table Afpo. Select all items of related material/plant. If you find at least one item, change of VAL.CLSS. is not possible. You have to archive! These production order (s)!
These hard restrictions is necessary as inconsistencies in account assignment would follow after change of Val. class, whe n proceeding follow up functions of a purchase order or a production order after you changed the Valuation class. Under special circumstances I was not possible to fulfill these hard restrictions. Therefore the refer to note 160970 as a possible solution, but read carefully the explanations under sections ' Solut Ion '.
How to change Valuation Class in Materail Master