How To Fix IAOM019 - Object link not known in CO

SAP Error Message - Details

• Message type: E = Error

• Message class: IAOM - Account Assignment Manager Messages

• Message number: 019

• Message text: Object link not known in CO

What causes this issue?

&v1& &v2& was transferred from system &v4& to ECC-CO in order to
determine a <DS:GLOS.3526B5B0AFAB52B9E10000009B38F974>Controlling object
</>. &v1& &v2& refers to an object whose technical key &v3& is unknown
in CO. In order to determine a Controlling object for &v1& &v2&
, the system first has to determine a Controlling object for the object
to which &v1& &v2& is assigned.
For example:
An order item can be assigned to a contract item, and a billing item can
be assigned to an order item. The system could not determine a
Controlling object for the object to which &v1& &v2& is assigned because
an error occurred in one of the following steps:
During transfer to ECC
During determination of the Controlling object

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

In system &v4&, determine the business object to which object &v1& &v2&
is assigned.
First start postprocessing for this object and then the postprocessing
for &v1& &v2&.

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 IAOM019 - Object link not known in CO ?

  The SAP error message IAOM019: "Object link not known in CO" typically occurs in the context of Controlling (CO) when there is an issue with the assignment of an object (like a cost center, internal order, or project) to a controlling area or when the object is not recognized in the system.
  Causes:
  
  Missing Object Assignment: The object you are trying to use (e.g., cost center, internal order) is not assigned to the controlling area you are working with.
  Incorrect Object Type: The object type you are trying to reference may not be valid or recognized in the context of the transaction.
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the object in question.
  
  Solutions:
  
  
  Check Object Assignment:
  
  Go to the relevant configuration settings in SAP (e.g., transaction code OX02 for cost centers) and verify that the object is correctly assigned to the controlling area.
  Ensure that the object is active and not marked for deletion.
  
  
  
  Verify Object Type:
  
  Ensure that you are using the correct object type in your transaction. For example, if you are trying to post to a cost center, make sure you are not mistakenly using an internal order.
  
  
  
  Review Master Data:
  
  Check the master data for the object in question. Use transaction codes like KS03 (Display Cost Center) or KO03 (Display Internal Order) to verify the details.
  Ensure that the object is not in a status that would prevent it from being used (e.g., inactive).
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the object. This can be checked with the help of your SAP security team.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program logic to see where the error is being triggered and gather more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  KS01/KS02/KS03: Create/Change/Display Cost Center
  KO01/KO02/KO03: Create/Change/Display Internal Order
  OKB9: Assign Cost Centers to Controlling Area
  
  
  Documentation: Review SAP documentation related to Controlling and object management for further insights.
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP Controlling.