[FOSDEM Treasure] t-shirt order broken but already paid

hey team, Placed an order but after the paypal step got an internal server error. the t-shirt is still showing to be in my cart but paypal overview shows I've already paid. https://row.treasure.fosdem.org/payment/process <-- returns internal server error https://row.treasure.fosdem.org/shop/product/exclusive-fosdem-2021-t-shirt-1... <-- that's currently still showing in my cart. (male shirt .. XL) Thanks so much Marco