How To Fix DMC_RT_GEN055 - Migration object &1; incorrect definition of cluster table

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_GEN - DMC: Nachrichten der Generierungfunktionen

• Message number: 055

• Message text: Migration object &1; incorrect definition of cluster table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_GEN055 - Migration object &1; incorrect definition of cluster table ?

  The SAP error message DMC_RT_GEN055, which states "Migration object &1; incorrect definition of cluster table," typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit or similar tools. This error indicates that there is an issue with the definition of a cluster table in the context of the migration object being processed.
  Cause:
  
  Incorrect Table Definition: The cluster table may not be defined correctly in the migration object. This could be due to missing fields, incorrect data types, or other discrepancies in the table structure.
  Incompatibility: The migration object may not be compatible with the source data or the target system's expectations for the cluster table.
  Configuration Issues: There may be configuration issues in the migration cockpit or the data model that lead to this error.
  Data Integrity Issues: The data being migrated may not conform to the expected structure or constraints of the cluster table.
  
  Solution:
  
  Review Migration Object Definition: Check the definition of the migration object in the SAP Data Migration Cockpit. Ensure that the cluster table is defined correctly, including all necessary fields and data types.
  Validate Source Data: Ensure that the source data being migrated matches the expected structure of the cluster table. Look for any discrepancies or missing data that could cause the error.
  Check Configuration: Review the configuration settings in the migration cockpit to ensure that they are set up correctly for the migration process.
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration object and cluster tables to ensure compliance with best practices.
  Test Migration: If possible, perform a test migration with a smaller dataset to isolate the issue and identify any specific records or fields causing the error.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and configuration.
  
  Related Information:
  
  Cluster Tables: In SAP, cluster tables are used to store related data in a compressed format. They are typically used for performance optimization and data integrity.
  Data Migration Cockpit: This is a tool provided by SAP to facilitate the migration of data from legacy systems to SAP S/4HANA or other SAP systems. It includes predefined migration objects and templates.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the DMC_RT_GEN055 error.