Fatal Error On Server Client

not sure whats causing this error maybe someone could give me some insight i have a server admin that got this error when updating my mod then running the server

just wondering what could be causing this error

also i was able to reproduce the error i loaded my test server with 232.2 and flew away from my base flew back landed and everything was fine then i updated my server files to 232.4 and it loaded i was able to get on the server fly away and when i flew back to my base my server errored giving me the same error as the error in the above screenshot.

with help of a few people i was able to fix the issue thanks anyway :smiley: