Mark down plugin getting error causing node bb to restart.

[FaizanZahid]

Please see full details of what happened here

https://community.nodebb.org/topic/12233/node-bb-getting-shutdown-due-to-markdown-plugin-and-2-services-try-to-restart-it-but-it-fails

[julianlam]

Please see comments in that post -- another plugin is interfering with markdown