ERROR: Message 'at' not understood.
RECEIVER:
   nil
ARGS:
   Integer 0
PATH: C:/Users/Zach/Documents/SuperCollider/foscDebugging.scd
CALL STACK:
	DoesNotUnderstandError:reportError
		arg this = <instance of DoesNotUnderstandError>
	Nil:handleError
		arg this = nil
		arg error = <instance of DoesNotUnderstandError>
	Thread:handleError
		arg this = <instance of Thread>
		arg error = <instance of DoesNotUnderstandError>
	Object:throw
		arg this = <instance of DoesNotUnderstandError>
	Object:doesNotUnderstand
		arg this = nil
		arg selector = 'at'
		arg args = [*1]
	Meta_Fosc:lilypondVersion
		arg this = <instance of Meta_Fosc>
		var str = ""
	FoscLilyPondVersionToken:init
		arg this = <instance of FoscLilyPondVersionToken>
		arg argVersionString = nil
	FoscLilyPondFile:init
		arg this = <instance of FoscLilyPondFile>
		arg argItems = <instance of FoscNote>
		arg argDateTimeToken = nil
		arg argPaperSize = nil
		arg argComments = nil
		arg argIncludes = [*1]
		arg argStaffSize = nil
		arg argLilypondLanguageToken = nil
		arg argLilypondVersionToken = nil
		arg argUseRelativeIncludes = false
		arg argIsStylesheet = false
		var tuning = nil
	FoscComponent:illustrate
		arg this = <instance of FoscNote>
		arg paperSize = nil
		arg staffSize = nil
		arg includes = nil
		var lincludes = [*1]
		var lilypondFile = nil
	FoscWriteManager:asLY
		arg this = <instance of FoscWriteManager>
		arg path = nil
		arg illustrateEnvir = <instance of Event>
		var illustration = nil
		var lyFileName = nil
		var lyFile = nil
	FoscWriteManager:asPDF
		arg this = <instance of FoscWriteManager>
		arg path = nil
		arg flags = nil
		arg illustrateEnvir = <instance of Event>
		arg clean = false
		var lyPath = nil
	Fosc:show
		arg this = <instance of FoscNote>
		arg paperSize = nil
		arg staffSize = nil
		arg includes = nil
		var illustrateEnvir = <instance of Event>
		var path = nil
	Interpreter:interpretPrintCmdLine
		arg this = <instance of Interpreter>
		var res = nil
		var func = <instance of Function>
		var code = "a.show;"
		var doc = nil
		var ideClass = <instance of Meta_ScIDE>
	Process:interpretPrintCmdLine
		arg this = <instance of Main>
^^ ERROR: Message 'at' not understood.
RECEIVER: nil