How To Fix CNV250 - For conversion of field &-&, routine & with & parameters was determined

CNV250 - Overview

• Message type: E = Error

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

• Message number: 250

• Message text: For conversion of field &-&, routine & with & parameters was determined

What causes this issue?

During the assignment of conversion routines to newly found tables and
fields will be determined ideally a conversion routine without
parameters. In this case, no conversion routine without parameters
could be determined.

System Response

The program has proposed a conversion routine with as few as possible
parameters.

How to fix this error?

Please, check whether the proposed conversion routine with the proposed
parameters is technically and logically suitable. In case you are not
sure regarding this, please contact SAP for verification.

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.

CNV250 - Details

• The SAP error message CNV250 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the conversion routine for a specific field, which may not have been properly defined or is encountering unexpected data.
  
  Cause:
  
  Missing Conversion Routine: The specified conversion routine for the field is not defined in the system.
  Incorrect Parameters: The parameters passed to the conversion routine may not match the expected format or type.
  Data Type Mismatch: The data type of the source field may not be compatible with the target field.
  Custom Logic: If there is custom logic involved in the conversion, it may not be functioning as expected.
  
  
  Solution:
  
  Check Conversion Routines: Verify that the conversion routine for the specified field is correctly defined in the system. You can do this by checking the relevant ABAP code or configuration settings.
  Review Parameters: