When you are trying to cancel the Purchase order or trying to resend the Purchase order for approval
SAP Business ByDesign
Product category has been changed in the product master data and that new product category is not check marked for "Product assignment allowed"
- Go to Product and Service Portfolio work center
- Go to Product Categories view
- Search for respective product category
- Select the check box - Product Assignment Allowed for Product Categories.
- Now click on send update button/order button on the purchase order
KBA , SRD-SRM-PRO , Purchase Requests and Orders , Problem