Plex web has stopped working.

Not exactly sure of the day but last week I could no longer log into my plex from outside the network. Yes it says that I can and I can get any and all apps to log in just fine. If I am at home on the network then my web browser works just fine but at work it gets to where it wants my pin number and then just bounces like it was the wrong pin… I am a plex pass member and like I said all other apps, even the windows app, works fine. Anyone else have this issue?