Game Crashes when others try to join my game and when I try to join theirs

Looks like a potentially incomplete installation, please Verify Integrity of Game Files using the instructions below, and see if the issue persists:

  1. Right-click Vermintide 2 in your Steam library sidebar
  2. Select ‘Properties’
  3. Select the ‘Local Files’ tab
  4. Select the ‘Verify the Integrity of Game Files’ button. This may take several minutes
  5. When complete, close and reopen Steam
  6. Launch Vermintide 2