I dont have Twich Drops

Hi! i get the twich drops but in the game i dont have any message, gmail or anything with the drops :frowning:
Pls can help me!; i have conectnig my twich account with steam and the lost ark account with steam, but in the game this pops up:
communication error with the billing server. (Error_191004: Invalid purchase number.)


no one will answer us, we losing cristaline aura (something we paid for) and we dont get the twitch drops either