How To Fix GT118 - Table conversion without compare run

SAP Error Message - Details

• Message type: E = Error

• Message class: GT - Database utilities

• Message number: 118

• Message text: Table conversion without compare run

What causes this issue?

The table conversion is running in 'FORCE MODE' where it is no longer
necessary to decide exactly what is to be converted. The data is
converted by means of unloading and reloading. This mode is generally
only used during upgrading (inactive process) or for forced conversions.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GT118 - Table conversion without compare run ?

  The SAP error message GT118, which states "Table conversion without compare run," typically occurs during the process of table conversion in the SAP system, particularly when using the SAP Upgrade or Data Migration tools. This error indicates that a table conversion process is being executed without a prior comparison run, which is usually necessary to ensure that the data is correctly migrated or transformed.
  Cause:
  
  Missing Comparison Run: The most common cause of this error is that the required comparison run for the table conversion has not been executed. The comparison run is essential to identify the differences between the source and target structures or data.
  Incorrect Configuration: There may be issues with the configuration settings for the conversion process, leading to the system not recognizing that a comparison run is needed.
  System or Version Issues: Sometimes, the error can arise due to inconsistencies in the system version or issues with the upgrade process.
  
  Solution:
  
  Perform a Comparison Run: Before executing the table conversion, ensure that you perform a comparison run. This can usually be done through the relevant transaction code or tool in SAP that handles table conversions.
  Check Configuration Settings: Review the configuration settings for the conversion process to ensure that everything is set up correctly. Make sure that the necessary parameters for the comparison run are enabled.
  Review Documentation: Consult the SAP documentation or notes related to the specific version you are working with. There may be specific instructions or prerequisites that need to be followed.
  Run the Conversion Again: After successfully completing the comparison run, attempt to run the table conversion process again.
  Consult SAP Support: If the issue persists, consider reaching out to SAP support for further assistance. They may provide additional insights or patches that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes used for table conversion and comparison runs, such as SE14 (Database Utility) or specific tools related to data migration.
  SAP Notes: Check for any SAP Notes that might address this specific error or provide guidance on best practices for table conversions.
  Upgrade Guides: If this error occurs during an upgrade, refer to the upgrade guides provided by SAP for your specific version, as they often contain detailed steps and troubleshooting tips.
  
  By following these steps, you should be able to resolve the GT118 error and successfully complete the table conversion process.