How To Fix RTCMMD518 - Customizing table &1 was not migrated

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 518

• Message text: Customizing table &1 was not migrated

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RTCMMD518 - Customizing table &1 was not migrated ?

  The SAP error message RTCMMD518 indicates that a specific customizing table has not been migrated during a system upgrade or migration process. This can occur when moving from an older version of SAP to a newer one, particularly when there are changes in the data model or when certain tables are deprecated or replaced.
  Cause:
  
  Missing Migration Steps: The migration process may not have included the necessary steps to migrate the specific customizing table.
  Deprecated Tables: The table in question may have been deprecated in the new version of SAP, and thus, it is no longer required or supported.
  Custom Development: If the table is a custom table, it may not have been properly included in the migration plan.
  Configuration Issues: There may be configuration issues or inconsistencies in the system that prevent the migration of the table.
  
  Solution:
  
  Check Migration Documentation: Review the migration documentation provided by SAP for the specific version you are upgrading to. Ensure that all necessary steps for migrating customizing tables are followed.
  Use Transaction SNOTE: Check for any SAP Notes related to the error message RTCMMD518. SAP Notes often provide fixes or workarounds for known issues.
  Manual Migration: If the table is still needed, you may need to manually migrate the data or configuration from the old system to the new one. This can involve exporting data from the old system and importing it into the new system.
  Consult SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. They can provide guidance specific to your system and version.
  Review Custom Code: If the table is part of custom development, review the custom code to ensure it aligns with the new version's requirements.
  
  Related Information:
  
  SAP Notes: Always check for relevant SAP Notes that may address specific issues related to your version upgrade.
  Migration Guides: Refer to the official SAP migration guides for detailed instructions on how to handle customizing tables during an upgrade.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the RTCMMD518 error and implement a suitable solution.