if anyone finds a fix to this, i am having a related issue, i hope its okay to use YouTube links, i have video footage of the problem i'm having. the same applies to what the original guy posted, spectator is is fine, and i can see through everyone else, except when i spawn in everything is messed up like when you see a part of the map that is outside of its skybox or something. ive tried the suggested fixes and no dice.
I love vsh_skyhighresort its the only server i use instead of casual and in my 5 years of playing this has never happened before. its only on Black Wonder servers, i originally thought that if i delete and re-download the maps, change my config, delete all my custom files, then it would finally work.
if you dont trust the link, i have the video in my steam profiles "videos" section. my Steam is
https://steamcommunity.com/id/Please_help_me_ive_lost_so_much/