Dexed is overriding my undo button in ableton live 11

[Doit4mojo]

Sorry if this is a vague post but I'm trying to articulate it as best as I can.

I have my Yamaha DX7 hooked via a Roland Midi Interface and for some reason dexed is constantly changing its plug-in parameters. Which causes this to completely override the undo button and makes it unable for me to undo or redo anything.

I don't recall it doing this for the first couple weeks when I first set everything up either so this behavior is weird.

With dexed deleted: