You can no longer select new master data
Message type: E = Error
Message class: CO - PPC order processing messages
Message number: 506
Message text: You can no longer select new master data
What causes this issue?
You cannot select a new routing / bill of material, due to one of the
following reasons:
Components have already been issued for the order.
Confirmations have already been entered for the order.
Error message extract from SAP system. Copyright SAP SE.