I had in plan to move on Payoneer in 2013, but seeing that just happened to you, I totally canceled my plans, and I will stick with my bank card from my country. That’s just stupid, if an ATM fails, the money should be instantly refunded, or not withdrawn from the card at all.
I don’t see the point of filling a dispute, since you have nothing to dispute here, an ATM failed, just restore the money. Plain and simple. I feel bad for you, and like it wasn’t worse enough, it’s the Christmas period too.
Hopefully you will get back your money asap, good luck mate.