Hello @Alexandra_Shapiro, and welcome to the community! Our team is aware of the issue but it would be good to get an additional set of diagnostics from you to deliver to our QA team. Next time this issue occurs, could you please reply to this thread with a timestamp of when and use the directions found here and send us over a set of logs using a shared Dropbox link.
Lastly, could you please fill out the following setup details so I can send that to the team as well? Thanks!
So we can better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so we can have a clear understanding of how your devices are communicating.