How To Fix LTR2_DS_CHG_TECHSEL001 - Technical selection of data model &1 was changed by &4

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_DS_CHG_TECHSEL - Change log messages of data set Technical Selection

• Message number: 001

• Message text: Technical selection of data model &1 was changed by &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_DS_CHG_TECHSEL001 - Technical selection of data model &1 was changed by &4 ?

  The SAP error message LTR2_DS_CHG_TECHSEL001 indicates that the technical selection of a data model has been changed by a specific user or process. This message typically arises in the context of SAP BW (Business Warehouse) or SAP HANA when there are changes made to the data model that affect how data is selected or processed.
  Cause:
  
  Change in Data Model: The error is triggered when a data model (like an InfoProvider, DSO, or CompositeProvider) has been modified. This could be due to changes in the underlying data structure, such as adding or removing fields, changing data types, or altering relationships.
  User Actions: The message specifies that the change was made by a particular user or process, which could indicate that someone has updated the data model without proper communication or coordination with other users or processes relying on that model.
  Versioning Issues: If multiple users are working on the same data model, version conflicts can arise, leading to this error.
  
  Solution:
  
  Review Changes: Check the change logs or version history of the data model to identify what changes were made and by whom. This can help in understanding the context of the error.
  Communicate with Team: If the change was made by another team member, communicate with them to understand the implications of the changes and whether they were intended.
  Revert Changes: If the changes are not acceptable or have caused issues, consider reverting to a previous version of the data model if possible.
  Update Dependencies: If the data model is used in reports or other processes, ensure that all dependent objects are updated to reflect the changes made to the data model.
  Testing: After making any changes or reverting, conduct thorough testing to ensure that the data model functions as expected and that there are no further errors.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation related to data modeling in BW or HANA to understand best practices and guidelines for making changes to data models.
  User Roles and Permissions: Ensure that users have the appropriate roles and permissions to make changes to data models to prevent unauthorized or unintended modifications.
  
  By following these steps, you should be able to address the error and ensure that your data model functions correctly.