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

CNV_00001221 - Overview

• 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.

CNV_00001221 - Details

• 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