There could be multiple reasons for this error. Here are a few troubleshooting steps you can try: 1. Make sure you have the correct driver installed for the database you are trying to connect to. 2. Check if the database server is running and accessible from your network. 3. Verify the connection parameters, such as the hostname, port, username, and password. 4. Try restarting DBeaver and attempting the connection again. 5. If you are using a firewall or antivirus software, make sure it is not blocking the connection. 6. Check the DBeaver logs for more detailed error messages that can help identify the issue. If the problem persists, you can provide more details about your setup and the specific error message you are encountering for further assistance. [2024-01-05 11:57:26 | AI写代码神器 | 771点数解答]