How To Fix IAOM051 - In business scenario group &1, external object ID &2 is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: IAOM - Account Assignment Manager Messages

• Message number: 051

• Message text: In business scenario group &1, external object ID &2 is not unique

What causes this issue?

The external object with the ID &v2& is not unique in the business
scenarios of business scenario group &v1&.
In a business scenario group, only those business scenarios with a
unique object identification can be combined. When using GUIDs, for
example, this is always the case.

System Response

The system terminates processing.

How to fix this error?

Contact the system administrator.

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 IAOM051 - In business scenario group &1, external object ID &2 is not unique ?

  The SAP error message IAOM051 indicates that there is a problem with the uniqueness of an external object ID within a specified business scenario group. This error typically arises in the context of Asset Accounting or similar modules where external object IDs are used to link external data to SAP records.
  Cause:
  The error occurs when the system detects that the external object ID you are trying to use is not unique within the specified business scenario group. This can happen due to:
  
  Duplicate Entries: There are multiple records in the database with the same external object ID for the same business scenario group.
  Incorrect Data Entry: The external object ID may have been entered incorrectly or duplicated during data migration or manual entry.
  Configuration Issues: The configuration settings for the business scenario group may not be set up correctly, leading to conflicts in object IDs.
  
  Solution:
  To resolve the IAOM051 error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Use transaction codes like SE16 or SE11 to access the relevant database tables (e.g., ANLA, ANLB, etc.) and search for the external object ID in question.
  Identify if there are multiple entries with the same external object ID within the specified business scenario group.
  
  
  
  Correct the Data:
  
  If duplicates are found, determine which entry is valid and remove or correct the duplicates as necessary.
  Ensure that the external object IDs are unique for each record in the business scenario group.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the business scenario group to ensure that it is set up correctly and that there are no conflicting settings that could lead to this error.
  
  
  
  Data Migration:
  
  If this error occurred during a data migration process, review the migration scripts or tools used to ensure that they are correctly handling the uniqueness of external object IDs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to Asset Accounting or the specific module you are working with for any additional guidance or known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS01 (Create Asset), AS02 (Change Asset), and AS03 (Display Asset) to manage asset records.
  Tables: Understand the structure of tables related to asset accounting, such as ANLA (Asset Master Data), ANLB (Asset Master Data - Depreciation Areas), and others that may store external object IDs.
  Business Scenario Groups: Be aware of how business scenario groups are defined and used within your organization, as this can impact how external object IDs are managed.
  
  By following these steps, you should be able to identify and resolve the issue causing the IAOM051 error in your SAP system.