How To Fix CNV_00001230 - Package &1 cannot be used as source package for field &3 of table &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 230

• Message text: Package &1 cannot be used as source package for field &3 of table &2.

What causes this issue?

Package &V1& cannot be used as source package for field &V3& of table
&V2&. This can have 2 different reasons:
Package &V1& does not belong to dependencies of the current conversion
package (it was not blended during the package load procedure)
Package &V1& does not define any conversion-relevant data types (in
table CNVDOMS). Only packages defining such data types (domains or data
elements) can be used as source packages.

System Response

If the correct source package is not provided the field &V3& of table
&V2& may be converted incorrectly.

How to fix this error?

Provide a correct source package. Check input help (F4) for available
source packages. If you choose a conversion routine for this field from
amongst routines provided by SAP the source package should be assigned
automatically and should not be changed.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001230 - Package &1 cannot be used as source package for field &3 of table &2. ?

  The SAP error message CNV_00001230 indicates that there is an issue with the data migration process, specifically related to the use of a package as a source for a field in a table. This error typically arises during data conversion or migration activities, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error message suggests that the specified package (&1) cannot be used as a source for the specified field (&3) in the specified table (&2). This can occur due to several reasons:
  
  Incompatible Data Types: The data type of the source package does not match the expected data type of the target field.
  Missing Configuration: The package may not be properly configured or may not contain the necessary data for the field in question.
  Field Restrictions: The field may have specific restrictions or requirements that the package does not meet.
  Incorrect Mapping: There may be an issue with the mapping configuration between the source and target structures.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Verify that the data types of the source package and the target field are compatible. If they are not, you may need to adjust the data type in the source package or change the target field's configuration.
  
  
  Review Package Configuration: Ensure that the package is correctly configured and contains the necessary data for the field. Check for any missing or incorrect entries.
  
  
  Validate Field Requirements: Look into the specific requirements or restrictions for the target field. Ensure that the data in the source package meets these requirements.
  
  
  Examine Mapping Configuration: Review the mapping configuration to ensure that the source package is correctly mapped to the target field. Make any necessary adjustments to the mapping.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using. There may be additional guidance or known issues that can help you resolve the error.
  
  
  Testing: After making changes, perform a test migration to see if the error persists. This can help confirm whether the issue has been resolved.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Consider searching or posting in SAP community forums or discussion groups, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.