How To Fix CNV301 - For table &1, field &2, the field parameter &3 does not exist.

CNV301 - Overview

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 301

• Message text: For table &1, field &2, the field parameter &3 does not exist.

What causes this issue?

Field &V3& of table &V1& is a parameter of the form routine used to
convert field &V2&.
Table &V1& does not contain field &V3& .

How to fix this error?

Change the parameter &V3& of the form routine used to convert field
&V2&.

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.

CNV301 - Details

• The SAP error message CNV301 typically indicates that there is an issue with a data conversion or migration process, specifically related to a field in a table that is expected to exist but does not. This error is often encountered during data migration projects, especially when using tools like SAP's Data Migration Workbench or during system upgrades.
  
  Cause:
  
  
  Field Does Not Exist: The most straightforward cause is that the field specified in the error message does not exist in the target table. This could be due to:
  
  Changes in the data model (e.g., fields being removed or renamed).
  Incorrect mapping in the migration configuration.
  The source system having a different structure than the target system.
  
  
  
  Incorrect Configuration: The migration or conversion configuration may be incorrectly set up, leading to references to non-existent fields.
  
  
  Version Mismatch: If the source and target systems are on different versions of SAP, there may be discrepancies in the data model.
  
  
  
  Solution:
  
  
  Check Field Existence: