How To Fix MDG_BS_SUPPL_HARM026 - Numbering issue for BP external (&1) and vendor external (&2)

MDG_BS_SUPPL_HARM026 - Overview

• Message type: E = Error

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

• Message number: 026

• Message text: Numbering issue for BP external (&1) and vendor external (&2)

What causes this issue?

You can assign the BP grouping &v1& to the vendor account group &v2& for
the Vendor UI.
The BP grouping and vendor account group refer to an external number
assignment. The <DS:DE.BC_SAMENUMBER>Same Numbers</> flag shall be set.
The issue occurs in the number range Customizing as the number range
intervals of vendor and business partner do not match.

System Response

The harmonization report
<DS:RE.MDG_BS_SUPPL_HARM>MDG_BS_SUPPL_HARM</> issues an error for these
Customizing settings.
Using these Customizing settings in the Vendor UI can lead to data
inconsistencies.

How to fix this error?

The number range for the vendor account group has to be part of the
number range for the BP grouping.
Check and correct the number range Customizing settings for the BP
grouping under <ZK>SAP Customizing Implementation Guide</> ->
<ZK>Cross-Application Components</> -> <ZK>SAP Business Partner</> ->
<ZK>Business Partner</> -> <ZK>Basic Settings</> -> <ZK>Number Ranges
and Groupings</> -> <DS:SIMG._CABP_BUCF>Define Number Ranges</>.
Check and correct the number range Customizing settings for the vendor
account group under <ZK>SAP Customizing Implementation Guide</> ->
<ZK>Financial Accounting</> -> <ZK>Accounts Receivable and Accounts
Payable</> -> <ZK>Vendor Accounts</> -> <ZK>Master Data </>->
<ZK>Preparations for Creating Vendor Master Data</> ->
<DS:SIMG.SIMG_CFMENUORFBXKN1>Create Number Ranges for Vendor Accounts
</>.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_SUPPL_HARM026 - Numbering issue for BP external (&1) and vendor external (&2) ?

  The SAP error message MDG_BS_SUPPL_HARM026 typically indicates a numbering issue related to Business Partners (BP) and vendors in the SAP Master Data Governance (MDG) system. This error occurs when there is a conflict or inconsistency in the numbering of external business partners and vendor records.
  
  Cause:
  
  Duplicate Numbering: The error often arises when there are attempts to create or modify a Business Partner or vendor with an external number that already exists in the system.
  Number Range Issues: The number range configuration for Business Partners or vendors may not be set up correctly, leading to conflicts.
  Data Consistency: There may be inconsistencies in the data, such as missing or incorrect entries in the relevant tables.
  Configuration Errors: Incorrect settings in the MDG configuration for number assignment can lead to this error.
  
  
  Solution:
  
  Check for Duplicates: Verify if the external number for the Business Partner or vendor already exists in the system. If it does, you may need