How To Fix CMS_AST128 - Parent relationship missing for sub-asset &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS_AST - Message Class for Asset

• Message number: 128

• Message text: Parent relationship missing for sub-asset &1

What causes this issue?

The relationship between sub-asset &1 and the asset to which it
should belong is not maintained.

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?

Maintain the relationship along with the sub-asset data when creating
the sub-asset.

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_AST128 - Parent relationship missing for sub-asset &1 ?

  The SAP error message CMS_AST128, which states "Parent relationship missing for sub-asset &1," typically occurs in the context of Asset Accounting (FI-AA) within the SAP system. This error indicates that a sub-asset is defined without a corresponding parent asset, which is necessary for the hierarchical structure of asset management.
  Cause:
  
  Missing Parent Asset: The sub-asset is created without a valid parent asset, or the parent asset has not been defined in the system.
  Incorrect Configuration: There may be issues with the configuration of the asset hierarchy in the system.
  Data Inconsistencies: There could be inconsistencies in the asset master data, such as missing or incorrect entries.
  
  Solution:
  
  
  Check Asset Master Data:
  
  Navigate to the Asset Master Data (transaction code AS03) and check the details of the sub-asset in question.
  Verify if the parent asset is correctly assigned. If not, you may need to assign the correct parent asset.
  
  
  
  Create or Update Parent Asset:
  
  If the parent asset does not exist, create it using transaction code AS01 (Create Asset).
  If the parent asset exists but is not linked, you can update the sub-asset to reference the correct parent asset.
  
  
  
  Review Asset Hierarchy Configuration:
  
  Ensure that the asset hierarchy is correctly configured in the system. This may involve checking the settings in the Asset Accounting configuration (transaction code SPRO).
  
  
  
  Data Consistency Check:
  
  Run a data consistency check to identify any other potential issues with asset master data. This can often be done through specific reports or tools available in SAP.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on asset management and hierarchy setup.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  AS01: Create Asset
  AS02: Change Asset
  AS03: Display Asset
  SPRO: Customizing Implementation Guide
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles: Ensure that the user has the necessary permissions to create or modify asset master data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant specializing in Asset Accounting for further assistance.