You are not authorized to use class type &
Message type: E = Error
Message class: WW - Material group master maintenance
Message number: 076
Message text: You are not authorized to use class type &
What causes this issue?
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
System Response
How to fix this error?
To be able to edit material groups and material group hierarchies,
you need authorization for the internal SAP class type 026.
Error message extract from SAP system. Copyright SAP SE.