How To Fix /SAPDMC/LSMW820 - & batch input folders with & transactions created

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW -

• Message number: 820

• Message text: & batch input folders with & transactions created

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPDMC/LSMW820 - & batch input folders with & transactions created ?

  The SAP error message /SAPDMC/LSMW820 typically relates to issues encountered during the execution of the Legacy System Migration Workbench (LSMW) in SAP. This error can occur when there are problems with the batch input folders or transactions created during the data migration process.
  Cause of the Error
  
  Batch Input Folder Issues: The error may arise if the batch input folders are not correctly set up or if there are permission issues preventing access to these folders.
  Transaction Errors: If the transactions created during the LSMW process are not valid or if there are inconsistencies in the data being processed, this can lead to errors.
  Configuration Issues: Incorrect configuration settings in LSMW or the underlying data structure can also trigger this error.
  Data Format Issues: If the data being imported does not match the expected format or structure, it can lead to failures during the batch input process.
  
  Solutions
  
  
  Check Batch Input Folder:
  
  Ensure that the batch input folder is correctly configured and accessible. Verify the path and permissions for the folder where the batch input sessions are stored.
  Make sure that the folder is not full and that there is enough space for new sessions.
  
  
  
  Review Transaction Logs:
  
  Check the transaction logs for any specific errors related to the transactions created. This can provide insights into what went wrong during the execution.
  Use transaction SM35 to review the batch input sessions and identify any errors.
  
  
  
  Validate Data:
  
  Ensure that the data being migrated is in the correct format and adheres to the required structure. Validate the data files before executing the LSMW process.
  Check for any missing or incorrect data that could cause the transactions to fail.
  
  
  
  Configuration Review:
  
  Review the LSMW project configuration to ensure that all settings are correct. This includes checking the source structure, target structure, and mapping.
  If necessary, recreate the LSMW project or specific steps to ensure that everything is set up correctly.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  
  Testing:
  
  Perform a test run with a smaller dataset to identify if the issue persists. This can help isolate the problem and determine if it is data-related or configuration-related.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LSMW, SM35, and SE37 (for function modules) to troubleshoot and manage the LSMW process effectively.
  Documentation: Refer to SAP documentation on LSMW for best practices and guidelines on data migration.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the /SAPDMC/LSMW820 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.