How To Fix /LTB/MC091 - The system is currently preparing this migration object; try again later

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/MC -

• Message number: 091

• Message text: The system is currently preparing this migration object; try again later

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 /LTB/MC091 - The system is currently preparing this migration object; try again later ?

  The SAP error message /LTB/MC091 The system is currently preparing this migration object; try again later typically occurs in the context of data migration processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This message indicates that the system is currently busy preparing the migration object, and the operation cannot be completed at that moment.
  Cause:
  
  Ongoing Process: The migration object is being prepared by another process or user, which means that the system is locked for that specific object.
  System Load: High system load or performance issues may delay the preparation of the migration object.
  Configuration Issues: There may be configuration issues or inconsistencies in the migration setup that are causing delays.
  Database Locks: There could be database locks that are preventing the migration object from being prepared.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for a few moments and then try the operation again. The preparation process may complete shortly.
  Check Background Jobs: Use transaction codes like SM37 to check for any background jobs that might be running and holding up the migration object. If you find any jobs that are stuck or taking too long, you may need to investigate or terminate them.
  Monitor System Performance: Use transaction ST03N or ST04 to monitor system performance and check for any bottlenecks that might be affecting the migration process.
  Review Logs: Check the application logs (transaction SLG1) for any related error messages or warnings that could provide more context on the issue.
  Database Locks: Use transaction SM12 to check for any locks on the database that might be affecting the migration object. If you find locks that are no longer needed, you can release them.
  Configuration Review: Review the configuration settings for the migration object to ensure everything is set up correctly. This includes checking the source and target systems, mapping, and transformation rules.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SLG1 (Application Log), SM12 (Lock Entries), and ST03N (Workload Analysis).
  Documentation: Refer to SAP documentation for the specific migration tool you are using (e.g., SLT, SAP Data Services) for best practices and troubleshooting steps.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to resolve the error or at least identify the underlying cause.