Error while running event level::on_gui_click (ID 1)
Invalid SurfaceIdentification. Surface does not exist.
stack traceback:
[C]: in function 'set_surface_hidden'
base/script/pvp/pvp.lua:2068: in function 'setup_teams'
base/script/pvp/pvp.lua:1687: in function 'start_round'
base/script/pvp/pvp.lua:605: in function '?'
base/script/pvp/pvp.lua:3767: in function 'handler'
core/lualib/event_handler.lua:72: in function <core/lualib/event_handler.lua:70>