How To Fix CNV_DMC_MC_EXCEPTION117 - Cannot add additional entries.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 117

• Message text: Cannot add additional entries.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION117 - Cannot add additional entries. ?

  The SAP error message CNV_DMC_MC_EXCEPTION117: Cannot add additional entries typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or during the execution of migration projects. This error indicates that there is an issue with adding new entries to a specific table or data structure, often due to constraints or limitations in the system.
  Causes:
  
  Data Constraints: The target table may have constraints (like primary keys or unique indexes) that prevent the addition of duplicate or invalid entries.
  Data Mapping Issues: There may be issues with the mapping of source data to target fields, leading to conflicts or invalid data types.
  Configuration Errors: Incorrect configuration in the migration settings or parameters may lead to this error.
  System Limitations: The system may have reached a limit on the number of entries that can be processed or stored in a particular table.
  Locking Issues: The target table may be locked by another process, preventing new entries from being added.
  
  Solutions:
  
  Check Data for Duplicates: Review the source data for duplicates or invalid entries that may violate constraints in the target table.
  Review Mapping Configuration: Ensure that the data mapping between the source and target is correctly configured and that all required fields are being populated.
  Adjust Migration Settings: If applicable, adjust the settings in the migration cockpit to allow for additional entries or to bypass certain constraints temporarily.
  Check for Locks: Use transaction codes like SM12 to check for locks on the target table and resolve any locking issues.
  Consult Logs: Review the migration logs for more detailed error messages that can provide insights into what specifically is causing the issue.
  Increase System Limits: If the issue is related to system limitations, consider increasing the limits or optimizing the database settings.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit for best practices and troubleshooting steps.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.