How To Fix CNV_CMIS_A_20228 - Check content: Missing key field found in table &: relevant

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CMIS_A_20 - Message class for Cross-Client Customizing Comparison (SLO)

• Message number: 228

• Message text: Check content: Missing key field found in table &: relevant

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CMIS_A_20228 - Check content: Missing key field found in table &: relevant ?

  The SAP error message CNV_CMIS_A_20228 typically indicates that there is a missing key field in a specific table during a data migration or conversion process. This error is often encountered in the context of SAP's Conversion and Migration tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error arises when the system detects that a required key field is missing in the specified table. Key fields are essential for uniquely identifying records in a database table, and their absence can lead to data integrity issues during migration. This can happen due to:
  
  Data Preparation Issues: The source data may not have been properly prepared or cleaned, leading to missing key fields.
  Mapping Errors: Incorrect mapping of fields from the source system to the target system can result in key fields not being populated.
  Configuration Issues: The configuration settings in the migration tool may not align with the data structure of the source or target systems.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check the Source Data: Review the source data to ensure that all required key fields are present and populated. You may need to clean or enrich the data before migration.
  
  
  Review Mapping Configuration: Verify the mapping configuration in the migration tool. Ensure that all key fields from the source system are correctly mapped to the corresponding fields in the target system.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be specific guidelines or requirements regarding key fields.
  
  
  Use Data Validation Tools: Utilize any data validation or quality tools provided by SAP to identify and rectify issues in the data before migration.
  
  
  Test Migration: Conduct a test migration with a smaller dataset to identify any other potential issues before performing a full migration.
  
  
  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 scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for detailed instructions and best practices.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to successfully complete your data migration.