How To Fix CNV_20320_CHECK026 - All mapping values are permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20320_CHECK - Messages for check functions (Activity Types merge)

• Message number: 026

• Message text: All mapping values are permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20320_CHECK026 - All mapping values are permitted ?

  The SAP error message CNV_20320_CHECK026 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 all mapping values are permitted, which means that the system has detected an inconsistency or issue with the mapping of values in the data being processed.
  Cause:
  
  Mapping Configuration Issues: The error often arises when the mapping configuration for the data migration is not set up correctly. This could be due to missing or incorrect mapping entries.
  Data Inconsistencies: The source data may contain values that do not match the expected values in the target system, leading to conflicts during the mapping process.
  Incorrect Data Types: If the data types of the source and target fields do not align, it can lead to this error.
  Missing Value Ranges: If the mapping does not define the acceptable range of values for a particular field, the system may throw this error.
  
  Solution:
  
  Review Mapping Configuration: Check the mapping configuration in the migration tool. Ensure that all necessary mappings are defined correctly and that there are no missing entries.
  Validate Source Data: Examine the source data for inconsistencies or unexpected values. Ensure that the data conforms to the expected formats and value ranges.
  Adjust Data Types: Ensure that the data types in the source and target systems match. If necessary, convert the data types in the source data to align with the target system's requirements.
  Define Value Ranges: If applicable, define the acceptable value ranges for the fields in the mapping configuration to avoid conflicts.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be additional guidelines or troubleshooting steps provided for this error.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context and solutions.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using for best practices and troubleshooting tips.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.