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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20305611 - Problem in routine CNV_20305_DOCNR: Unknown type (DOCCT) ?

  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 compatibility issues between the source and target systems, especially if the document types are not supported in the target version.
  
  
  Solution:
  
  
  Check Document Types: Review the document types in the source system to ensure that all types are correctly defined and that there are no custom types that need to be handled.
  
  
  Update Migration Settings: 
  
  Ensure that the migration settings include all necessary mappings for document types. You may need to add the missing document type "DOCCT" to the mapping configuration.
  If "DOCCT" is a custom document type, you may need to create a corresponding entry in the migration tool to handle it.
  
  
  
  Data Validation: Validate the data in the source system to ensure there are no inconsistencies or corruption that could lead to unrecognized document types.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be specific instructions or notes regarding handling custom document types.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling document types during migration.
  
  
  Testing: After making the necessary adjustments, perform a test migration to ensure that the error is resolved and that the data is being processed correctly.
  
  
  Related Information:
  
  SAP Migration Cockpit: Familiarize yourself with the SAP Migration Cockpit and its configuration settings, as it is often used for data migration tasks.
  SAP Community: Engage with the SAP Community forums or support channels for additional insights or similar experiences from other users.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.