As Iam stuck in Wyrmstooth as the cabin door wont open, I thought I could get back to Skyrim if I can re-enable fast travel, I seem to remember I disabled it via Frostfall?

Whatever, I cannot locate the Survival Settings for Frostfall which should be in my Powers menu.

So I just installed SKSE so I could install Sky UI, although one of my other mod settings can now be accessed by the esc key menu, there is no sign of Frostfall there either.

Frostfall works otherwise.

When I deselect Frostfall in my Datafiles, how then can I re-activate Fast Travel in Skyrim please?