Conversion group & is assigned to a material and cannot be deleted

Message type: E = Error

Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

Message number: 068

Message text: Conversion group & is assigned to a material and cannot be deleted



What causes this issue?

This conversion group has already been assigned to a material and
therefore cannot be modified or deleted.


How to fix this error?

Create a new conversion group and assign it to the material.
Once stock is posted to a material, you cannot change the conversion
group for the material.

Error message extract from SAP system. Copyright SAP SE.