I broke my oath by tuning off the wind mill

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And after that i could not redem my self.
Oh dear! Was that the same kind of problem as faced by the OP, in that you handed over money but your oath wasn’t restored?
Setting aside the bizarre fact that your oath was broken by turning off the windmill in the first place, which didn’t happen with my oath of devotion paladin. Oh, but now I think about it further, I wonder whether my oath was actually intact at that point as I broke it killing a couple of goblins near the entrance to the swamp and didn’t have the cash to redeem myself immediately. I can’t recall exactly what order I did things in in the village.
I’m now also wondering whether releasing the brake and sending poor Barcus flying breaks oaths. That at least makes sense!