How To Fix CNV20305610 - Problem in routine CNV_20305_DOCNR: Type field empty (DOCCT)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 610

• Message text: Problem in routine CNV_20305_DOCNR: Type field empty (DOCCT)

What causes this issue?

Routine CNV_20305_DOCNR converts a field based on the type in field
DOCCT.
During the conversion, there were cases where field DOCCT was empty
while field DOCNR was filled.
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 CNV20305610 - Problem in routine CNV_20305_DOCNR: Type field empty (DOCCT) ?

  The SAP error message CNV20305610, which indicates a problem in the routine CNV_20305_DOCNR with the message "Type field empty (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 empty or missing value in a field that is expected to contain a document type (DOCCT).
  Cause:
  
  Missing Data: The most common cause of this error is that the source data being migrated does not contain a value for the document type field (DOCCT). This could be due to incomplete data extraction or transformation processes.
  Incorrect Mapping: There may be an issue with how the fields are mapped between the source and target systems, leading to the document type not being populated correctly.
  Data Format Issues: The data format in the source system may not match the expected format in the target system, causing the migration routine to fail when it encounters an empty field.
  
  Solution:
  
  Check Source Data: Review the source data to ensure that the document type field (DOCCT) is populated correctly. If it is empty, you will need to fill in the appropriate values before migration.
  Data Mapping Review: Verify the mapping configuration in the migration tool to ensure that the document type field is correctly mapped from the source to the target system.
  Data Transformation: If necessary, implement data transformation rules to populate the document type field based on other available data or default values.
  Error Handling: Implement error handling in the migration process to catch and log such issues, allowing for easier troubleshooting in the future.
  Testing: Conduct thorough testing of the migration process with a subset of data to identify and resolve any issues before performing a full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates regarding this specific error message.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific migration tool you are using, as it may contain guidelines on handling common errors.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  By addressing the root cause of the empty document type field and ensuring proper data mapping and transformation, you should be able to resolve the CNV20305610 error and successfully complete the migration process.