Hey! Sorry it took me like a week to get back to you I was away for a bit. Heres the error I get 
Viewing post in Myara Story 1.5 ~ Rush for the Shadow Egg comments
Hoi, sorry took a long time to respond. I think I can see the problem: do you have any cards equiped to the character you play as? If not, then try adding one and press C again in-game. I think this is a bug where I don’t check if the player doesn’t have any cards equiped…If that’s the problem then I wonder how I missed this lol