How To Fix AY078 - &3: You cannot change source structure &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AY - Deprec. simulation - maint. module (AIPS) /gen. master data

• Message number: 078

• Message text: &3: You cannot change source structure &2

What causes this issue?

Affected object: <ZH> &V3& </>.
Assets under construction were already created for the object with
source structure &V2&. You cannot delete these assets under
construction (for example, because an asset was already posted).
Therefore, you cannot change source structure &V2&.

System Response

Processing is not continued.

How to fix this error?

Use source structure &V2& (Change object: Settlement rule -->
Parameters).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AY078 - &3: You cannot change source structure &2 ?

  The SAP error message AY078 indicates that you are trying to change a source structure that is not allowed. This typically occurs in the context of data transfer processes, such as when working with Data Transfer Workbench (DTW) or during the configuration of data sources in SAP BW (Business Warehouse).
  Cause:
  
  Locked Structure: The source structure you are trying to modify may be locked or in use by another process.
  Incorrect Authorization: You may not have the necessary authorizations to make changes to the source structure.
  System Configuration: The source structure may be part of a configuration that does not allow changes after a certain point (e.g., after data has been loaded).
  Data Model Integrity: The system may prevent changes to maintain the integrity of the data model, especially if it is linked to other objects.
  
  Solution:
  
  Check Locks: Verify if the source structure is locked. You can use transaction codes like SM12 to check for locks and release them if necessary.
  Review Authorizations: Ensure that you have the appropriate authorizations to modify the source structure. You may need to consult with your SAP security team.
  Check Configuration: Review the configuration settings related to the source structure. If it is part of a data model that has already been activated or used, you may need to create a new version or copy instead of modifying the existing one.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on modifying source structures in your version of SAP.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and others that may help you navigate the data structures.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or workarounds.
  Data Model Changes: Understand the implications of changing data models in SAP BW or other modules, as it can affect reporting and data integrity.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.