How To Fix CNV_10020373 - No determination takes place for main source package &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 373

• Message text: No determination takes place for main source package &1

What causes this issue?

When assigning determination paths to fields to be converted, the
system needs a target determination object to with the determination
paths lead. No such target determination object has been defined for
the main source package &V1&.

System Response

The fields for main source package &V1& are converted without
considering any org.-dependance.
&HINTS&
Specific target determination objects may be defined in an exit for
individual fields. Nevertheless the system searches for determination
paths for these fields.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020373 - No determination takes place for main source package &1 ?

  The SAP error message CNV_10020373 indicates that there is an issue with the determination of the main source package in a data migration or conversion process. This error typically arises during the execution of a conversion program, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
  Cause:
  The error message suggests that the system is unable to determine the main source package for the specified object (indicated by &1). This can occur due to several reasons, including:
  
  Missing Configuration: The main source package may not be properly configured in the system.
  Incorrect Mapping: There may be issues with the mapping of source data to the target structure.
  Data Inconsistencies: The data being processed may have inconsistencies or may not meet the expected format.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the required packages or data.
  Technical Issues: There could be underlying technical issues, such as missing transport requests or incomplete installations.
  
  Solution:
  To resolve the error CNV_10020373, you can take the following steps:
  
  Check Configuration: Verify that the main source package is correctly configured in the system. Ensure that all necessary settings are in place.
  Review Mapping: Check the mapping of the source data to ensure that it aligns with the target structure. Make any necessary adjustments.
  Data Validation: Validate the source data for any inconsistencies or errors. Cleanse the data if needed to ensure it meets the expected format.
  User Authorizations: Ensure that the user executing the migration has the appropriate authorizations to access the required packages and data.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion process you are using for any additional troubleshooting steps.
  Check Logs: Review the logs generated during the migration process for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  SAP Help Portal: The SAP Help Portal contains documentation on data migration and conversion processes, which may provide insights into the configuration and setup required.
  SAP Community: The SAP Community forums can be a valuable resource for finding discussions related to this error and potential solutions shared by other users.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.