SAP Note 23801 - Create product groups: DUPREC

Symptom:

Update termination when creating product groups with DUPREC.

Cause and prerequisites

When creating a product group, a record is also written into table S076E. This table has an unique index to field PLOBJ.
If the status of the number range (object MCLIS) is that existing numbers of the object are reassigned, a DUPREC occurs.

Solution
Raise the number range status.