Bases disappearing in offline

  1. Ignore above answer (the not loading issue is just on online, it doesn’t happen on offline among other things)
  2. Check the server log to see if it was a random stability loss that make the hold structure to come down. If that’s the situation come to join to the main post:
    Random stability loss after 19.05.patch and don’t let the post die.
    Keep up and good luck