How To Fix CNV_00001259 - Duplicate processing type for table &1 is maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 259

• Message text: Duplicate processing type for table &1 is maintained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001259 - Duplicate processing type for table &1 is maintained ?

  The SAP error message CNV_00001259 indicates that there is a duplicate processing type defined for a specific table in the context of a data migration or conversion process. This error typically arises during the execution of a data migration project, particularly when using SAP's Conversion Tools or Data Migration tools.
  Cause:
  The error occurs when the system detects that there are multiple entries for the same processing type for a given table. This can happen due to:
  
  Configuration Issues: Duplicate entries may have been inadvertently created in the configuration settings for the data migration process.
  Custom Development: If custom logic or enhancements have been implemented, they may have introduced duplicate processing types.
  Data Model Changes: Changes in the data model or migration strategy that were not properly reflected in the configuration.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings for the data migration project.
  Look for the processing types defined for the specific table mentioned in the error message.
  Identify and remove any duplicate entries.
  
  
  
  Review Custom Code:
  
  If there are custom developments related to the data migration, review the code to ensure that it does not introduce duplicate processing types.
  Make necessary adjustments to the custom logic to avoid duplication.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration tool you are using. This may provide insights into how processing types should be configured.
  
  
  
  Testing:
  
  After making changes, perform a test run of the migration process to ensure that the error is resolved and that the data is processed correctly.
  
  
  
  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 migration projects.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the specific migration tool you are using, you may need to access specific transaction codes (like LSMW, LTMC, etc.) to check the configuration.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Migration Tools: Familiarize yourself with the specific migration tools and their configuration settings, as they can vary significantly between different SAP versions and tools.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_00001259 error in your SAP environment.