BOM changes reflecting in sales order BOM of delievery completed materials.
i am explaining my requrement. My scenario is like this.
1.creating sales order
2.reating sales order BOM
Next production peole will create production order and will do confirmation of order and Goods reciept.
3. after this sales people will do delivery of the materail.
For example yesterday i have delivered one material X.
Today if i change the super BOM of the material X, these changes are reflecting in the sales order BOM of yesterday delivery done material X also. My client want to restrict thise changes. Pl help me how to resolve this ?