Special stock indicator in Production Order Component overview

Question:

I have one finished product , for which i have created BOM . It has only one component in it .

 

Now i am creating a Sales order , based on the definition and requirement set , system is creating a production order in background.

 

When i go to production order and see components overview screen , there is one field special stock . This is getting filled with '1' - Individual customer stock always.

 

Even though we have stock in storage location , it is expecting components to be in Sales order stock .

 

If i create a stand alone production order for same materials , there is no special stock indicator set in components .

 

Can any body let me know how is this special stock field getting populated and what settings has to be reviewed in order to supress the same.

 

Answer:

  Check the MRP parameter 'Individual/Coll' in MRP4 view for the components. This should be set as 2 for collective planning. If this flag is left blank then planning will be based on the parent material (If the parent material is planned for special stock then the components will also be planned for special stock)