How To Fix LTR2_DS_CHG_MWBGEN000 - MWB-generation for data model &1 was added by &4

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_DS_CHG_MWBGEN - Change log messages of data set Migration

• Message number: 000

• Message text: MWB-generation for data model &1 was added by &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LTR2_DS_CHG_MWBGEN000 - MWB-generation for data model &1 was added by &4 ?

  The SAP error message LTR2_DS_CHG_MWBGEN000 typically relates to issues encountered during the generation of a Multi-Provider (MWB) or data model in SAP BW (Business Warehouse). This error indicates that a change was made to the data model by a specific user, which may have caused inconsistencies or issues during the generation process.
  Cause:
  
  Concurrent Changes: The error often arises when multiple users are making changes to the same data model or Multi-Provider simultaneously. This can lead to conflicts and inconsistencies.
  Incomplete Changes: If a change was made but not fully saved or committed, it can lead to issues when trying to generate the MWB.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the generation after changes have been made.
  System Lock: The system may have a lock on the data model due to ongoing processes or transactions.
  
  Solution:
  
  Check for Concurrent Changes: Ensure that no other users are making changes to the same data model at the same time. If possible, coordinate with other users to avoid conflicts.
  Refresh the Data Model: Try refreshing or reloading the data model to ensure that all changes are up to date. This can sometimes resolve inconsistencies.
  Review Change Logs: Check the change logs to identify what changes were made and by whom. This can help in understanding the context of the error.
  Revert Changes: If the changes made are not necessary, consider reverting to a previous version of the data model.
  Check Authorizations: Ensure that the user attempting to generate the MWB has the necessary authorizations to perform the action.
  System Lock Release: If a system lock is suspected, check for any ongoing processes that might be holding the lock and resolve them. You may need to contact your system administrator for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) to manage and monitor data models.
  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 for best practices in managing data models and Multi-Providers to avoid such issues in the future.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation and support.