When converting the Purchase Requisition lines to PO, the following error occures:

“ Standard cost missing for part xxxxxx with configuration id * ” 

Strange thing is when the same user does the same steps for another PO for exactly the same parts under same settings, the error naver occured. 

I checked the setup for those parts, they all have ‘Zero Cost Forbidden’ with Estimated Material Cost and the Unit Cost in the Inventory Part zero. But the SfPP has a cost. 

Is this possible?