How To Fix GU973 - Conversion not possible since control tables have not yet been converted

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 973

• Message text: Conversion not possible since control tables have not yet been converted

What causes this issue?

You cannot convert the line item tables because the FI-SL control
tables for the summary table have not yet been converted.

System Response

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

How to fix this error?

First convert the control tables before continuing with the conversion
in accordance with the conversion guidelines.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU973 - Conversion not possible since control tables have not yet been converted ?

  The SAP error message GU973, which states "Conversion not possible since control tables have not yet been converted," typically occurs during the process of data conversion or migration, particularly when working with the SAP system's control tables. This error indicates that the system is attempting to perform a conversion operation, but the necessary control tables have not been updated or converted to the required format.
  Cause:
  
  Incomplete Migration: The control tables required for the conversion process have not been migrated or updated properly.
  Version Mismatch: The system may be running on an older version that does not support the conversion, or the control tables are from a different version.
  Configuration Issues: There may be configuration settings that have not been properly set up, leading to the inability to access or convert the control tables.
  Missing Data: Required data or entries in the control tables may be missing, preventing the conversion from proceeding.
  
  Solution:
  
  Check Migration Status: Ensure that all necessary migration steps have been completed successfully. If any steps were skipped or failed, rerun the migration process.
  Run Conversion Programs: Execute the relevant conversion programs or transactions that are responsible for updating the control tables. This may involve using specific SAP transactions or programs designed for this purpose.
  Verify Configuration: Review the configuration settings related to the control tables and ensure they are correctly set up. This may involve checking the customizing settings in the SAP system.
  Update System: If you are running an older version of SAP, consider upgrading to a newer version that supports the required conversions.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version you are using for any additional steps or considerations that may be necessary.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They may provide specific guidance based on your system configuration and version.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration and control table management, such as SE11 (Data Dictionary) or SE14 (Database Utility).
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  Backup: Always ensure that you have a backup of your data before performing any migration or conversion processes to prevent data loss.
  
  By following these steps, you should be able to identify the cause of the GU973 error and implement a solution to resolve it.