How To Fix CNV_20000020 - No DDIC description for table &1 field &2 found; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20000 - Messages for fiscal year change

• Message number: 020

• Message text: No DDIC description for table &1 field &2 found; see long text

What causes this issue?

No description found in the DDIC for the specified table and/or field.

System Response

The entry does <ZH>not </>participate in the conversion.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20000020 - No DDIC description for table &1 field &2 found; see long text ?

  The SAP error message CNV_20000020 indicates that there is no Data Dictionary (DDIC) description available for a specific table field in the SAP system. This error typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of certain programs that rely on the Data Dictionary for metadata.
  Cause:
  
  Missing DDIC Entries: The most common cause is that the Data Dictionary entries for the specified table or field are missing or not properly defined in the SAP system.
  Custom Tables: If the table in question is a custom table or a third-party table, it may not have been properly registered in the Data Dictionary.
  Transport Issues: If the table was recently created or modified, there may have been issues with the transport of the changes to the system.
  System Version: The error may also occur if there are discrepancies between different system versions or if the system is not fully updated.
  
  Solution:
  
  Check DDIC Entries: Verify that the table and field exist in the Data Dictionary. You can do this by using transaction SE11 (Data Dictionary) to check the definitions of the table and its fields.
  Create/Update DDIC Entries: If the entries are missing, you may need to create or update them. This can involve defining the table and its fields in the Data Dictionary.
  Transport Requests: If the table was recently created or modified, ensure that the transport requests have been properly imported into the target system.
  Check for Custom Development: If the table is custom, ensure that the development team has followed the proper procedures for creating and registering the table in the Data Dictionary.
  Consult Documentation: Review any relevant documentation or notes related to the migration or conversion process you are executing, as there may be specific instructions or prerequisites.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE37 (Function Module), and ST22 (Dump Analysis) can be useful for troubleshooting.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves a critical migration or conversion process.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.