How To Fix CNV20305611 - Problem in routine CNV_20305_DOCNR: Unknown type (DOCCT)

CNV20305611 - Overview

• Message type: E = Error

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

• Message number: 611

• Message text: Problem in routine CNV_20305_DOCNR: Unknown type (DOCCT)

What causes this issue?

Routine CNV_20305_DOCNR converts a field based on the type in field
DOCCT.
An unknown type 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.

Error message extract from SAP system. Copyright SAP SE.

CNV20305611 - Details

• The SAP error message CNV20305611, which indicates a problem in the routine CNV_20305_DOCNR with an "Unknown type (DOCCT)," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that the system encountered an unexpected or unrecognized document type during the conversion process.
  
  Cause:
  
  
  Unknown Document Type: The error is primarily caused by the presence of a document type (in this case, "DOCCT") that is not recognized by the conversion routine. This could be due to:
  
  A custom document type that has not been properly defined in the migration settings.
  A missing configuration or mapping for the document type in the migration tool.
  Data inconsistencies or corruption in the source system.
  
  
  
  
  Configuration Issues: If the migration settings do not include the necessary mappings for all document types present in the source data, this error can occur.
  
  
  Version Compatibility: The error may also arise if there are