How To Fix CNV20200168 - &1: check! Correct routine may be &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 168

• Message text: &1: check! Correct routine may be &2

The conversion routine assigned to table field DOCNR or REFDOCNR may
not be generic enough.
Normally, fields called 'DOCNR' are converted by routine
'CNV_20200_DOCNR', while fields called 'REFDOCNR' are converted by
routine 'CNV_20200_REFDOCNR'.

System Response

Warning.

How to fix this error?

Check if the necessary parameter fields for conversion routine
CNV_20200_DOCNR or CNV_20200_REFDOCNR exist in the table.
CNV_20200_DOCNR requires, for example, the following parameter fields:
DOCCT, RBUKRS, RYEAR;
CNV_20200_REFDOCNR requires, for example, the following parameter
fields: REFDOCCT, RBUKRS, REFRYEAR, AWTYP, AWORG.
If you are not quite sure how to proceed, contact the responsible
developer.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200168 - &1: check! Correct routine may be &2 ?

  The SAP error message CNV20200168 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a problem with the data transformation routine that is being applied to the data being migrated.
  Cause:
  
  Incorrect Routine: The error suggests that the routine being used for data transformation is not appropriate for the data being processed. This could be due to a mismatch in data types, incorrect mapping, or an outdated routine.
  Configuration Issues: There may be configuration issues in the migration cockpit or the data migration project that lead to the wrong routine being selected.
  Data Quality Issues: The data being migrated may not meet the expected format or quality standards, leading to the failure of the transformation routine.
  
  Solution:
  
  Check the Routine: Review the routine specified in the error message (&2) and ensure that it is the correct one for the data being processed. You may need to consult documentation or SAP support for the appropriate routine.
  Validate Data: Ensure that the data being migrated is clean and adheres to the expected formats. This may involve data cleansing or transformation before migration.
  Configuration Review: Check the configuration settings in the migration cockpit to ensure that the correct routines are assigned to the relevant data objects.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may provide additional context or solutions for this specific error.
  Testing: If possible, run a test migration with a smaller dataset to isolate the issue and verify that the correct routine is being applied.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to CNV20200168 for any specific patches or updates that may address this issue.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit to understand the data transformation processes and routines.
  Community Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.