I use etherpad version 1.8.5 and the Moodle plugin 2019013100. So far everything works, only if I want to use the share feature in etherpad, the generated addresses can't be called. I get the message that I don't have the right rights. It does not matter if I allow guests in the plugin settings or not. Is there a solution for this? Does etherpad need another activated plugin? Or is the activation for guests not intended at all?