Hello all,
I've been working on trying to deploy mattermost 3.1 and I've been unable to import from slack. I have followed http://docs.mattermost.com/install/prod-ubuntu.html to a T, other than substituting IP addresses and my home directory name. Every time I export from Slack, I get an import failure. The Mattermost Import Summary is here: http://pastebin.com/c7mQRFmW