I haven't used Mythic Dungeon Tools in a long while, but now when I try to open it I just see a blank Window as seen in the image. I have uninstalled and reinstalled Mythic Dungeon Tools multiple times with no luck. I am also going to leave to what was picked up in bugsack and bugggrabber. I am not sure which of these may have the problem, but I am leaving screenshots of all of the errors that had Mythic Dungeon Tools included in them somewhere.

Screenshots:
https://gyazo.com/e15eb0e4f8e49de42c69f7eeb9eeaa3d
https://gyazo.com/640a4ae939bb4ff2ce0e03446c8bfb0c
https://gyazo.com/ce4123460ddc5754d6378ef62f39dc9c
https://gyazo.com/25cbe24112f755e571b0391b3203718f
https://gyazo.com/766a695918302f9957708cf292cbad3b
https://gyazo.com/a4318bcb6113140e077694d55cf16652
https://gyazo.com/14cd037fc116ff55e33690654c0c535d

Same problem for me too !
@Nnoggie here's my MDT lua, idk if it can help

https://gist.github.com/MoultenWOW/4045efa997691f30dc9e0964f258ba40

In the last update to Mythic Dungeon Tools, whatever was done fixed my Mythic Dungeon Tools and it is working now.

In the last update to Mythic Dungeon Tools, whatever was done fixed my Mythic Dungeon Tools and it is working now.

didn't fix the problem for me :/

If you have the AddOn "Jojo's Bizarre adventure SFX for Monk" enabled please disable it to be able to use MDT. That AddOn has an extremely out of date version of a library packaged which prevents other AddOns from working properly.