How To Fix T1804 - Error when converting database

SAP Error Message - Details

• Message type: E = Error

• Message class: T1 - Financial instruments

• Message number: 804

• Message text: Error when converting database

What causes this issue?

An error occurred when converting the database fields.

System Response

The XPRA was not executed completely.

How to fix this error?

Check the table entries and restart the XPRA.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T1804 - Error when converting database ?

  The SAP error message T1804 typically indicates an issue related to database conversion or migration processes. This error can occur during various operations, such as system upgrades, database migrations, or when applying support packages. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Database Compatibility Issues: The version of the database may not be compatible with the version of SAP you are trying to run.
  Data Type Mismatches: There may be discrepancies in data types between the old and new database schemas.
  Corrupted Data: Corrupted data in the database can lead to conversion errors.
  Insufficient Resources: Lack of memory or disk space during the conversion process can cause failures.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to errors during conversion.
  
  Solutions:
  
  Check Compatibility: Ensure that the database version is compatible with the SAP version you are using. Refer to the SAP Product Availability Matrix for guidance.
  Review Logs: Check the detailed logs for the conversion process to identify specific issues. The logs can provide insights into what went wrong during the conversion.
  Data Cleanup: If corrupted data is suspected, perform data cleanup or validation before attempting the conversion again.
  Increase Resources: Ensure that the system has adequate memory and disk space. You may need to allocate more resources to the database server.
  Configuration Review: Review the configuration settings in both SAP and the database to ensure they are set correctly for the conversion process.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that address the T1804 error. There may be specific patches or updates that can resolve the issue.
  Consult Documentation: Refer to the official SAP documentation for guidance on database conversion processes and best practices.
  
  Related Information:
  
  SAP Support Portal: Utilize the SAP Support Portal to search for specific notes related to T1804 and database conversion issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Backup: Always ensure that you have a complete backup of your database before attempting any conversion or migration processes.
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.