How To Fix CNV_00001231 - Package &1 defined as source for field &3 of table &2 doesn't exist.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 231

• Message text: Package &1 defined as source for field &3 of table &2 doesn't exist.

What causes this issue?

Package &V1& defined as source for field &V3& of table &V2& doesn't
exist in this system. Therefore it cannot be used as a source package.

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 validsource 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_00001231 - Package &1 defined as source for field &3 of table &2 doesn't exist. ?

  The SAP error message CNV_00001231 indicates that a specific package defined as a source for a field in a table does not exist. This error typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades.
  Cause:
  
  
  Missing Package: The package specified in the error message is not available in the system. This could be due to:
  
  The package was not created or was deleted.
  The package is not activated or is in an inactive state.
  There is a typo or incorrect reference in the configuration.
  
  
  
  Configuration Issues: The configuration settings for the data migration might be incorrect, leading to references to non-existent packages.
  
  
  Transport Issues: If the package was supposed to be transported from another system (e.g., development to production), it might not have been transported correctly.
  
  
  Solution:
  
  
  Check Package Existence:
  
  Verify if the package mentioned in the error message exists in the system. You can do this by checking the relevant transaction codes (like SE80 or SE11) to see if the package is listed.
  
  
  
  Create or Activate Package:
  
  If the package does not exist, you may need to create it or ensure that it is properly defined in the system.
  If it exists but is inactive, activate it.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the data migration process. Ensure that the package references are correct and that there are no typos.
  
  
  
  Transport Check:
  
  If the package was supposed to be transported, check the transport logs to ensure that it was successfully transported to the target system.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP documentation or notes related to the specific migration or conversion process you are performing. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights or patches that could resolve the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator), SE11 (Data Dictionary), and others that can help you navigate and troubleshoot the issue.
  SAP Notes: Search for SAP Notes related to the error message or the specific migration tool you are using. SAP Notes often contain solutions or workarounds for known issues.
  Data Migration Tools: If you are using specific tools like SAP S/4HANA Migration Cockpit or SAP Data Services, refer to their documentation for best practices and troubleshooting tips.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.