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You have a version mismatch between the database and the Liferay package. You either have installed the database with a newer Liferay version or upgraded it to a newer Liferay version.

Yeah, you started a newer version than update 40 and it updated your database.

You can't go back to U40 now, you have to stay with what you upgraded to.

The error message indicates that there is an issue with the version compatibility between Liferay Digital Experience Platform (DXP) and the current portal schema version. The error message specifically states that the current portal schema version 25.1.1 requires a newer version of Liferay to run properly.

To resolve this issue, you should update your Liferay DXP to a version that is compatible with the portal schema version 25.1.1. Follow these steps to update Liferay DXP:

1. **Check Current Liferay DXP Version**: Verify the current version of Liferay DXP that you have installed. This information can usually be found in the log files or in the Liferay DXP management console.

2. **Check Supported Schema Versions**: Refer to the Liferay DXP documentation or release notes to find the supported portal schema versions for your current Liferay DXP version. Look for information on which version is compatible with portal schema version 25.1.1.

3. **Perform a Backup**: Before proceeding with any updates, it's essential to create a backup of your Liferay DXP instance, including all data, configurations, and customizations.

4. **Update Liferay DXP**: Follow the official upgrade documentation provided by Liferay to update your Liferay DXP instance to a compatible version. This process may involve downloading and installing the latest version of Liferay DXP and following specific upgrade steps.

5. **Update Database Schema**: After updating Liferay DXP, you may need to update the database schema to match the new version. Liferay DXP typically provides tools or scripts to assist with this step.

6. **Check for Customizations**: If you have made any customizations or added third-party plugins or themes to your Liferay DXP instance, ensure that they are compatible with the new version. You may need to update or modify custom code accordingly.

7. **Test the Updated Instance**: After completing the update process, thoroughly test your Liferay DXP instance to ensure that all functionalities and customizations are working as expected.

It's crucial to follow the upgrade instructions provided by Liferay carefully to avoid any potential data loss or issues during the process. Additionally, if you encounter any specific errors or challenges during the upgrade, refer to Liferay's support resources, community forums, or seek assistance from Liferay's official support team.

Remember to always keep backups of your data and configurations to safeguard against any unexpected issues during the upgrade process.