Can't connect to Collabora Online :/

devicemapper? what do you mean

You can see the devicemapper-Solution here:

I try the a newer Ubuntu 16.04 Kernel and give asap feedback.

Currently I use Ubuntu 18.04 with the 4.18.1 kernel und works very good.

Hi,

I had the same problem. For me reinstalling collabora Online in nextcloud web gui resolved the problem