Audio and cant acces new maps xbox one


hello the audio for when behemoth evolves doesnt work and audio goes out when i use my main weapons a small thing i dont care for too much, this is on xboxone btw. The big issue for me is i cant acces the new maps! when im about to get into a game with the new maps it gives me a error message although i downloaded the update! input would be appreciated thanks guys godbless