How To Fix CNV_10520025 - No interface specified for merge: &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10520 - Conversion module of FI-CA FIKEY-logic

• Message number: 025

• Message text: No interface specified for merge: &1 &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10520025 - No interface specified for merge: &1 &2 ?

  The SAP error message CNV_10520025 No interface specified for merge: &1 &2 typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools like the SAP S/4HANA Migration Cockpit or other conversion tools. This error indicates that the system is unable to find a specified interface for merging data records.
  Cause:
  
  Missing Configuration: The error often arises when the necessary configuration for the data merge process is not set up correctly. This could be due to missing or incorrect entries in the configuration tables.
  Incorrect Mapping: If the mapping of the source and target fields is not defined properly, the system may not know how to handle the merge operation.
  Data Inconsistencies: There may be inconsistencies or issues with the data being processed, which can lead to the system being unable to identify the correct interface for merging.
  Custom Development: If there are custom developments or enhancements in the migration process, they may not be correctly implemented or may be missing necessary interfaces.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the data migration or conversion process. Ensure that all necessary interfaces are defined and correctly configured.
  Review Mapping: Verify the mapping of fields between the source and target systems. Ensure that all required fields are mapped correctly and that there are no missing entries.
  Data Validation: Perform a data validation check to identify any inconsistencies or issues in the data that may be causing the error. Clean up any problematic records.
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or requirements for setting up the merge process.
  Debugging: If you have access to the development environment, consider debugging the migration program to identify where the error is occurring and what specific interfaces are missing.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its configuration settings, as this tool is commonly used for data migration.
  Data Migration Best Practices: Review best practices for data migration in SAP, including data cleansing, mapping, and validation processes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.