How To Fix CNV_00001221 - Field &3 chosen to be parameter value of routine &2 (&1) does not exist.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 221

• Message text: Field &3 chosen to be parameter value of routine &2 (&1) does not exist.

What causes this issue?

Field &V3& chosen to be value of the parameter of routine &V2& (Field
&V1&) does not exist in the table.

System Response

The conversion program will not be generated correctly.

How to fix this error?

Choose the correct field of the table to be passed as a parameter to
the routine &V2&.

Procedure for System Administrators

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_00001221 - Field &3 chosen to be parameter value of routine &2 (&1) does not exist. ?

  The SAP error message CNV_00001221 indicates that a field specified as a parameter value in a routine does not exist in the context where it is being referenced. This error typically arises during data migration or conversion processes, particularly when using SAP's Conversion Tools or during the execution of custom routines in data transformation.
  Cause:
  
  Field Name Mismatch: The field name specified in the routine does not match any existing field in the source or target structure.
  Incorrect Mapping: The mapping of fields between the source and target systems may be incorrect, leading to references to non-existent fields.
  Changes in Data Structure: If the data structure has been modified (e.g., fields added or removed) after the routine was created, it may lead to this error.
  Typographical Errors: Simple typos in the field name can also cause this issue.
  
  Solution:
  
  Verify Field Existence: Check the data structure (table or view) to ensure that the field specified in the error message actually exists. You can do this by using transaction codes like SE11 (Data Dictionary) to look up the relevant table or structure.
  Check Routine Logic: Review the logic in the routine where the error occurs. Ensure that the field names used in the routine are correct and correspond to the current data structure.
  Update Mapping: If the field has been renamed or removed, update the mapping in the routine to reflect the current structure.
  Debugging: If necessary, use debugging tools to step through the routine and identify where the error is occurring. This can help pinpoint the exact line of code or logic that is causing the issue.
  Consult Documentation: If you are using a standard SAP migration tool, refer to the relevant documentation for any known issues or updates related to the specific version you are using.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) can be useful for checking the definitions of fields and routines.
  SAP Notes: Check the SAP Support Portal for any notes related to this error message, as there may be specific patches or updates that address known issues.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and potential solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.