If you want to know how to enable command blocks on your Minecraft server, follow the instructions in this article.
1. Navigate to your desired server on the Game Panel.
2. Shut down your server by pressing the Stop button.
3. Under Management, click File Manager.
4. Locate and open the server.properties file
5. Change enable-command-block=false to enable-command-block=true
6. Save the file and start your server