How To Fix CNV746 - Field &2-&1 contains data (it was excluded before because it was empty)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 746

• Message text: Field &2-&1 contains data (it was excluded before because it was empty)

What causes this issue?

The Field &V1& of table &V2& was initial during the phase 'Package
settings'. Consequently it was flagged as 'Excluded'. Now, however, this
field does contain data, which means that it may be relevant for the
conversion.

How to fix this error?

Find out if the field &V1& of table &V2& contains data that are relevant
for the conversion. A number of additional activities is required to
convert this field. If necessary, contact SAP support.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV746 - Field &2-&1 contains data (it was excluded before because it was empty) ?

  The SAP error message CNV746 indicates that a specific field in a data conversion or migration process contains data, even though it was previously excluded from processing because it was empty. This error typically arises during data migration activities, especially when using tools like SAP's Data Migration Workbench or during system conversions.
  Cause:
  
  Data Changes: The data in the field may have been updated or populated after the initial assessment, leading to the presence of data where there was none before.
  Incorrect Mapping: The mapping or transformation rules may not have been correctly defined, leading to unexpected data being present in the field.
  Data Integrity Issues: There may be underlying data integrity issues in the source system that were not accounted for during the initial data assessment.
  
  Solution:
  
  Review Data: Check the specific field (indicated by &2 and &1 in the error message) in the source data to understand why it now contains data. This may involve querying the database or reviewing the data extraction process.
  Adjust Mapping Rules: If the data should be excluded, review and adjust the mapping or transformation rules to ensure that the field is correctly handled during the migration process.
  Data Cleansing: If the data is not valid or should not be present, consider cleansing the data in the source system before migration.
  Re-run the Migration: After making the necessary adjustments, re-run the migration process to see if the error persists.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Data Migration Workbench: Familiarize yourself with the Data Migration Workbench and its functionalities, as it may provide tools for handling such errors.
  Testing: Always perform thorough testing in a non-production environment before executing data migrations in a live system to catch such issues early.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a professional who specializes in SAP data migrations for further assistance.