Zombicide error loading#1569

I buy the DLC expecting to play with friends but they cant load the assets, how fix this?

Are you hosting the game?

Yes but i see the issue is because my pc is not set with the region in clock and calendar as english(usa), when i change to it they can load the game normaly, but the thing is i am a brazilian and not american, i like it work even when my pc is set for my region.

I see this this work because of a comment in the steam.