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

CNV20305607 - Overview

• 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.

CNV20305607 - Details

• 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