Application error

[BPM Ottathai]

I setup nodebb on heroku following below tut nodebb.readthedocs. io/en/latest/installing/cloud/heroku.html
Nodebb working well locally. But on heroku I get application error.
forum-keralahost.herokuapp. com/
Here is the log
http:// pasted. co/e0f98486
changed link as askmi spam filter not allowing to post links