How To Fix CNV_MBT_SHELL238 - Search for excluded tables

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_SHELL - Shell Creation

• Message number: 238

• Message text: Search for excluded tables

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_SHELL238 - Search for excluded tables ?

  The SAP error message CNV_MBT_SHELL238 typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there are tables that have been excluded from the migration process, and the system is prompting the user to search for these excluded tables.
  Cause:
  
  Excluded Tables: The error arises when certain tables that are necessary for the migration process have been marked as excluded. This could be due to configuration settings or specific migration rules that have been applied.
  Data Model Changes: If the data model has changed (for example, during an upgrade or migration to S/4HANA), some tables may no longer be relevant or may need to be handled differently.
  Configuration Issues: Incorrect configuration in the migration cockpit or data migration settings can lead to tables being unintentionally excluded.
  
  Solution:
  
  Review Exclusion Settings: Check the migration settings to identify which tables are marked as excluded. This can usually be done in the migration cockpit or the relevant migration tool.
  Adjust Migration Rules: If certain tables are essential for your migration, you may need to adjust the migration rules to include them. This may involve modifying the configuration or the mapping of the data.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines on how to handle excluded tables and how to include them in the migration process.
  Run Pre-checks: Use the pre-check functionality provided by the migration tool to identify any potential issues before running the migration. This can help you catch excluded tables early in the process.
  Seek Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who has experience with data migrations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling excluded tables.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common issues and their resolutions.
  Community Forums: Engage with the SAP Community or other forums where SAP professionals discuss similar issues. You may find others who have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_MBT_SHELL238 error message.