Trouble purchasing items in game

I was playing annie with these () runes and I had trouble buying some items, or finishing others. error: https://drive.google.com/open?id=1pr1m49X0l3Fx677lK7__kSuB2X-3lKWm runes: https://drive.google.com/open?id=1IiEXj_ASLBb9Jgf8s_638lTrUNUHlPYg

this is the first and only time I've seen this bug