How To Fix CNV20600045 - Structure of REFDOCNR cannot be determined (REFDOCCT=&1, AWTYP=&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20600 - message class for package 20600

• Message number: 045

• Message text: Structure of REFDOCNR cannot be determined (REFDOCCT=&1, AWTYP=&2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20600045 - Structure of REFDOCNR cannot be determined (REFDOCCT=&1, AWTYP=&2) ?

  The SAP error message CNV20600045 indicates that the system is unable to determine the structure of the reference document number (REFDOCNR) based on the provided reference document type (REFDOCCT) and application type (AWTYP). This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools.
  Cause:
  
  Missing Configuration: The reference document type (REFDOCCT) or application type (AWTYP) may not be properly configured in the system.
  Invalid Data: The data being processed may contain invalid or unexpected values for REFDOCCT or AWTYP.
  Custom Development: If there are custom developments or enhancements in the system, they may not be aligned with the standard data structures expected by the migration tool.
  Inconsistent Data: There may be inconsistencies in the data being migrated, such as missing or incorrect reference document types.
  
  Solution:
  
  Check Configuration: Verify that the reference document types and application types are correctly configured in the system. This can be done by checking the relevant customizing settings in the SAP system.
  Validate Data: Review the data being processed to ensure that it contains valid and expected values for REFDOCCT and AWTYP. Correct any discrepancies found.
  Review Custom Code: If there are custom developments, review the code to ensure it is compatible with the standard SAP structures and that it correctly handles the reference document types.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using to ensure that you are following the correct procedures.
  Debugging: If the issue persists, consider debugging the migration process to identify where the error is occurring and gather more context about the data being processed.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Tools: Familiarize yourself with the specific SAP migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, LTMC) and its requirements for data structures.
  Community Forums: Engage with SAP community forums or support channels to see if other users have encountered similar issues and how they resolved them.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.