How To Fix LTR2_DS_CHG_MWBGEN020 - Table-based 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: 020

• Message text: Table-based MWB generation for data model &1 was added 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_MWBGEN020 - Table-based MWB generation for data model &1 was added by &4 ?

  The SAP error message LTR2_DS_CHG_MWBGEN020 typically relates to issues encountered during the generation of a data model in SAP Landscape Transformation (SLT) Replication Server. This error indicates that a table-based Model Workbench (MWB) generation for a specific data model has been added by a user or process, which may lead to conflicts or issues in the replication setup.
  Cause:
  
  Concurrent Modifications: The error often arises when multiple users or processes are trying to modify the same data model or configuration at the same time.
  Inconsistent State: The data model may be in an inconsistent state due to previous errors or incomplete configurations.
  Authorization Issues: The user attempting to generate the MWB may not have the necessary authorizations to perform the action.
  System Configuration: There may be issues with the configuration of the SLT system or the underlying database.
  
  Solution:
  
  Check for Concurrent Changes: Ensure that no other users or processes are modifying the same data model. If possible, coordinate with other users to avoid conflicts.
  Review Logs: Check the SLT logs for any additional error messages or warnings that could provide more context about the issue.
  Revert Changes: If the data model is in an inconsistent state, consider reverting to a previous stable version or configuration.
  Authorization Check: Verify that the user has the necessary authorizations to perform the MWB generation. This may involve checking roles and permissions in the SAP system.
  System Configuration Review: Ensure that the SLT system and the source/target systems are correctly configured. This includes checking connection settings, replication settings, and any relevant parameters.
  Restart the Process: Sometimes, simply restarting the MWB generation process can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for SLT and MWB generation for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.