stack traceback:
	[C]: in field 'setText'
	[string "/interface/cockpit/cockpitview.lua"]:423: in method 'showPlanetInfo'
	[string "/interface/cockpit/cockpit.lua"]:1132: in function <[string "/interface/cockpit/cockpit.lua"]:1059>
stack traceback:
	[C]: in ?
	[C]: in function '_ENV.error'
	[string "/scripts/util.lua"]:937: in function <[string "/scripts/util.lua"]:935>
	(...tail calls...)
	[string "/interface/cockpit/cockpit.lua"]:101: in function <[string "/interface/cockpit/cockpit.lua"]:97>