Alex Persian
Alex Persian
Just to add more information to this issue, we have been getting the same error on our server using apnagent. Here's a screen grab. 
After investigating the root cause of this is the way that the marquee animation is handled with an infinitely repeating animation loop to move the text 1pt at a time.
Seeing the same issue here. Unable to export using the token provide through the Slack "Test token generator". Output is empty. macOS Sierra with the following command: `slack-history-export -t "xoxp-XXXXX"...