Having Lots of Problems! Please help!

hello. i recently bought this theme and installed it via “installable wordpress file only” and have ran into many issues.

it gives me errors when i try to import the game data thats already part of the “game” section

it give internal error when i try and import demo data from theme section

there is no option to create a team for specific games. also there is no option to challenge another user to a team game for specific games etc.