How to change the evaluation class of an item in mm

In the SAP mm module, a material xxx, from the original outsourcing, into the factory self-made; the evaluation class was also 7901 by the original

instead: 7900;

Note: Material evaluation class, corresponding to some accounts, the occurrence of the industry, the resulting data, recorded in the relative account;

To change its evaluation class:

If the item already has an open purchase order: Delete the relative item;

If there is inventory, the inventory is posted to the temporary account;

Then, open a production order that relates to this item, and 262 return the material if the ticket has been sent;

CO02 Click on the shipping view, and take off the "finished delivery" Complex selection box!

After completion, put all the production orders involved in this material, perform technical completion, then close, hit the delete flag; Save exit!

MM02 Open this item, modify the valuation type of the accounting view, save exit, and complete all the changes!

For the work orders that have been marked for deletion, can be removed according to actual needs!

Re-run mrp!

How to change the evaluation class for an item in

mm