Batch characteristics cannot be changed as GR batch already created

copied from HM6

What causes this issue?

The classification of the process charge can no longer be changed
becuase a goods receipt batch has already been created for it.

System Response

The system can display the classification of the process batch, but
cannot change it.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.