How Do I Fix HTTP 406 Not Acceptable?

1. Troubleshooting on the Client-Side.
2. Check Your URL.
3. Rollback Recent Upgrades.
4. Uninstall New Extensions, Modules, or Plugins.
5. Check for Unexpected Database Changes.
6. Troubleshooting on the Server-Side.
7. Check the Configuration Files.
8. Check the Application Logs.

Regards,

Will