How To Fix MDG_BS_SUPPL_HARM028 - External vendor number range (&1) is not supported

MDG_BS_SUPPL_HARM028 - Overview

• Message type: E = Error

• Message class: MDG_BS_SUPPL_HARM - MDG: messages for harmonization report

• Message number: 028

• Message text: External vendor number range (&1) is not supported

What causes this issue?

With SAP enhancement package 5 for SAP ERP 6.0 (SAP_APPL 605) (EHP5) the
creation of a BP grouping that uses external numbering is not supported
by the harmonization report
<DS:RE.MDG_BS_SUPPL_HARM>MDG_BS_SUPPL_HARM</>.
As of SAP enhancement package 6 for SAP ERP 6.0 (SAP_APPL 606), this is
supported.
In the Vendor UI in EHP5, you only can define the vendor number. The BP
number neither can be maintained nor derived by the system. It must be
internal.

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

System Response

The harmonization report excludes the vendor account group &v1&.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

MDG_BS_SUPPL_HARM028 - Details

• The SAP error message MDG_BS_SUPPL_HARM028 indicates that the external vendor number range specified in your Master Data Governance (MDG) system is not supported. This typically occurs when the system is trying to process a vendor number that falls outside the defined range for external vendors.
  
  Cause:
  
  Incorrect Configuration: The external vendor number range may not be properly configured in the system.
  Vendor Number Not Defined: The vendor number being used may not exist in the system or is not defined in the expected range.
  Data Migration Issues: If you are migrating data from another system, the vendor numbers may not align with the defined ranges in the MDG system.
  Custom Development: If there are custom developments or enhancements, they may not be handling the vendor number ranges correctly.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Look for the number range object related to external vendors (usually E1 or similar).
  Verify that the number