entity error trouble

Hello. Iam in need of an modified vbsp file to bypass entity limit. Iam currently trying to edit Goldrush but it seems like i cant edit it because of the entity limit. Does anyone have some file like that? I would be happy for anything. Thanks. (Basically getting Brush 55428: num_entities ==...

I'm new to mapping, and got the tf2 mapping resource pack (too lazy to call it the actual name) but after about 2 weeks, my info_player_teamspawn entity was showing a error instead of the engineer what is the problem, and can someone tell me how to fix it thanks :D