How to Setup your Server for Offline Mode/Cracked
Putting a server in offline mode/cracked allows players to join without using an official unique copy of the game.
Please note that setting up your server like this increases security risks and we recommend you check out the following article here.
Stop the server if it's running.
Within the File Manager or SFTP Client, open the server.properties file.
Save the file.
Start the server.