Symptom
While creating Purchase request from catalog item you may get this error.
or
Unable to change Product type group in Purchase request.
Environment
SAP S/4HANA Cloud Public Edition
Cause
In the PR the 'Product type group' is not matching with that of Material Master's field 'Product type'.
Resolution
When PR is created from Catalog then 'Product type group' will be copied from Catalog.
In Catalog Under General information tab , maintain correct value 'No' or 'Yes' for the fields "Reference to Product master" and field " Reference to service".
See Also
Keywords
Wrong product type, , KBA , MM-FIO-PUR-REQ-SSP , Fiori UI for Self Service Procurement , MM-FIO-PUR-PO , Fiori UI for Purchase Orders , Problem
SAP Knowledge Base Article - Public