Error getting channelhistory and user status

[sonor3000]

With Pidgin 2.14.12 and Mattermost running behind a revproxy I get the Errors getting channelhistory and user status when I log in. I don't know if those errors are related to our setup with the revproxy or to a problem with the purple-mattermost implementation.

I am blind and I have to use a screen reading software when working with a computer. We use Mattermost in the company I am working for and using Mattermost with Pidgin on Linux is elementary for my work and much more easier and faster then using the native Mattermost desktop client. Especialy on Linux the native client is not that good useable with a screen reading software allthough Mattermost is working hard to make the client and the webapplication accessible. But in the end the client is also a webbased application and those kind of applications are very ofthen not that good to use with screen readers and in most cases more complicated. So if it is possible I'd really like to use my current setup with pidgin and purple-mattermost, because it is the most productive environment for me.