shop

i was just in a three on three game and i was oak half way through it i decided to upgrade my preists to bishops i went to the shop and sold my preists i bought bishops it took my gold but when i left the shop[ i had no bishops i looked to make sure there was nothing on the ground and there wasnt i went to rebuy and it would not let me showing that i had them already i sold and rebought seval times adn same thing i had to get back into the fight unfortunetly i was much squishier and died i tried to rebuy and the same thing so i fought and died again this happened three times befor eit would finnally let me get my priest and prob cost us the game has this been a issue for any one else and if any clue whats causing it i have a screen shot of it but cant seem to post it here