How To Fix CNV20305607 - Problem in routine CNV_20305_REFBN_CO_REFBT: Unknown type (AWTYP)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20305 - Messages for conversion packages in CO

• Message number: 607

• Message text: Problem in routine CNV_20305_REFBN_CO_REFBT: Unknown type (AWTYP)

What causes this issue?

Routine CNV_20305_REFBN_CO_REFBT converts a field based on the type in
field REFBT. If REFBT = R, field AWTYP is also used for case
distinction purposes.
An unknown value in field AWTYP occurred during the conversion: &V1&.
Additional information: The value of the field that is meant to be
converted is &V2&.

System Response

The routine cannot convert the current field.
However the conversion is continued for the other fields and records.

How to fix this error?

An analysis is required to find out how the routine should react to the
unknown type; if necessary, the routine must be changed accordingly.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20305607 - Problem in routine CNV_20305_REFBN_CO_REFBT: Unknown type (AWTYP) ?

  The SAP error message CNV20305607, which indicates a problem in the routine CNV_20305_REFBN_CO_REFBT due to an "Unknown type (AWTYP)," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  
  
  Unknown Type (AWTYP): The error suggests that the system encountered an unexpected or unrecognized type (AWTYP) during the execution of the conversion routine. This could be due to:
  
  Missing or incorrect configuration in the data mapping.
  Data inconsistencies or unexpected values in the source data.
  Changes in the data model that are not reflected in the conversion logic.
  
  
  
  Custom Code or Enhancements: If there are custom enhancements or modifications in the standard SAP routines, they might not be compatible with the current data structure.
  
  
  Version Mismatch: The error could also occur if there is a mismatch between the version of the migration tool and the version of the source or target system.
  
  
  Solution:
  
  
  Check Data Mapping: Review the data mapping configuration to ensure that all types (AWTYP) are correctly defined and that there are no missing entries.
  
  
  Data Validation: Validate the source data for any inconsistencies or unexpected values that might not conform to the expected types. This may involve checking the data in the source system and ensuring it aligns with the target system's requirements.
  
  
  Review Custom Code: If there are any custom enhancements or modifications, review them to ensure they are compatible with the current version of the migration tool and the data model.
  
  
  Update Migration Tool: Ensure that you are using the latest version of the migration tool and that it is compatible with your SAP system version.
  
  
  Debugging: If you have access to the development environment, you can debug the routine CNV_20305_REFBN_CO_REFBT to identify the exact point of failure and understand why the type is being recognized as unknown.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates related to this error message. There may be patches or updates that address this specific issue.
  
  
  Consult SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common issues and their resolutions.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, which can help prevent similar issues in the future.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.