How To Fix CNV_PE_CHECK122 - Interface 2 &1 is unequal to the required interface 2 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_CHECK - Check Framework messages for posting engine

• Message number: 122

• Message text: Interface 2 &1 is unequal to the required interface 2 &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_CHECK122 - Interface 2 &1 is unequal to the required interface 2 &2 ?

  The SAP error message CNV_PE_CHECK122 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a mismatch between the expected interface and the actual interface being used in the migration process.
  Cause:
  The error message CNV_PE_CHECK122 is triggered when the system detects that the interface being used (denoted as "Interface 2 &1") does not match the required interface (denoted as "Interface 2 &2"). This can happen due to several reasons:
  
  Configuration Issues: The migration or conversion settings may not be correctly configured, leading to the use of an incorrect interface.
  Data Mapping Errors: There may be discrepancies in the data mapping definitions, causing the system to expect a different interface than what is provided.
  Version Mismatch: The version of the migration tool or the source system may not be compatible with the target system, leading to interface mismatches.
  Custom Development: If there are custom developments or enhancements in the source or target system, they may not align with the expected interfaces.
  
  Solution:
  To resolve the CNV_PE_CHECK122 error, you can follow these steps:
  
  Check Configuration: Review the configuration settings in the migration cockpit or the relevant migration tool to ensure that the correct interfaces are selected and configured.
  Verify Data Mapping: Ensure that the data mapping definitions are correct and that they align with the expected interfaces. Adjust the mappings if necessary.
  Review Documentation: Consult the SAP documentation for the specific migration tool you are using to understand the expected interfaces and any prerequisites.
  Check for Updates: Ensure that you are using the latest version of the migration tool and that all relevant patches and updates have been applied.
  Consult SAP Notes: Look for any SAP Notes related to the error message or the migration process you are using. SAP Notes may provide specific fixes or workarounds.
  Engage SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  Related Information:
  
  SAP Migration Cockpit: This is a tool used for data migration to SAP S/4HANA. Understanding its configuration and usage is crucial for successful migrations.
  SAP Notes and Knowledge Base Articles: Regularly check the SAP Support Portal for notes related to migration errors, as they often contain valuable troubleshooting information.
  Community Forums: Engage with the SAP Community or other forums where SAP professionals discuss similar issues. You may find others who have encountered and resolved the same error.
  
  By following these steps and gathering the necessary information, you should be able to address the CNV_PE_CHECK122 error effectively.