How To Fix CNV251 - Source package set to &4 for the field &3 of the table &2

CNV251 - Overview

• Message type: E = Error

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

• Message number: 251

• Message text: Source package set to &4 for the field &3 of the table &2

What causes this issue?

Source package number was not maintained

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

&TECHNICAL-INFO&
Record with the following primary key vallues
PACKID = &V1&
TABNAME = &V2&
FIELDNAME = &V3&,
was modified in the table CNVFIELDS - the source package was set to &V4&
.

Error message extract from SAP system. Copyright SAP SE.

CNV251 - Details

• The SAP error message "CNV251 Source package set to &4 for the field &3 of the table &2" is related to the SAP data migration process, particularly in the context of the SAP S/4HANA conversion or data migration projects. This error typically indicates that there is an issue with the source package configuration for a specific field in a table during the data migration process.
  
  Cause:
  
  Incorrect Source Package Configuration: The source package for the specified field in the table is not set correctly. This could be due to a misconfiguration in the data migration settings or an issue with the mapping of fields between the source and target systems.
  Missing or Incomplete Data: The data that is supposed to be migrated may be missing or incomplete, leading to the error when the system tries to process the migration.
  Field Mapping Issues: There may be discrepancies in how fields are mapped from the source