How To Fix CMS_AST310 - Partner with ID &1 and function &2 is already assigned to the asset

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS_AST - Message Class for Asset

• Message number: 310

• Message text: Partner with ID &1 and function &2 is already assigned to the asset

What causes this issue?

You cannot assign a business partner with the same identification number
and partner function, to the asset, more than once.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS_AST310 - Partner with ID &1 and function &2 is already assigned to the asset ?

  The SAP error message CMS_AST310 indicates that there is an attempt to assign a partner (such as a vendor, customer, or other business partner) to an asset that is already associated with that partner for the specified function. This can occur in the context of Asset Accounting (FI-AA) or other modules where assets are managed.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Duplicate Assignment: The partner with the specified ID is already assigned to the asset for the function you are trying to assign it to.
  Incorrect Data Entry: There may be a mistake in the data entry where the same partner is being entered multiple times for the same function.
  System Configuration: There might be a configuration issue in the system that does not allow multiple assignments for the same partner and function.
  
  Solution:
  To resolve the CMS_AST310 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Navigate to the asset in question and check the current partner assignments. You can do this through transaction codes like AS03 (Display Asset) or AS02 (Change Asset).
  Verify if the partner ID and function you are trying to assign are already listed.
  
  
  
  Remove Duplicate Assignment:
  
  If the partner is already assigned and you need to change it, you may need to remove the existing assignment first. Use AS02 to change the asset and delete the existing partner assignment.
  
  
  
  Correct Data Entry:
  
  Ensure that you are entering the correct partner ID and function. Double-check for any typos or incorrect entries.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to asset management and partner assignments to ensure you are following the correct procedures.
  
  
  
  System Configuration:
  
  If you suspect a configuration issue, consult with your SAP Basis or configuration team to review the settings related to partner assignments for assets.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS01 (Create Asset), AS02 (Change Asset), AS03 (Display Asset), and others related to asset management.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Authorization: Ensure that you have the necessary authorizations to make changes to asset assignments, as lack of permissions can also lead to errors.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.