"Exception has been thrown by the target of an invocation."
in <0x00179> System.Reflection.MonoCMethod:Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
in <0x00042> System.Reflection.MonoCMethod:Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
in <0x0004f> System.Reflection.ConstructorInfo:Invoke (System.Object[] parameters)
in <0x00060> LispReader.LispRootSerializer:CreateObject (System.Type Type)
in <0x00119> LispReader.LispRootSerializer:Read (Lisp.List list)
in <0x00050> LispReader.LispSerializer:ReadType (System.Type type, Lisp.List list)
in <0x00020> LispReader.LispSerializer:Read (Lisp.List List)
in <0x0019d> Sector:CustomLispRead (Lisp.Properties props)
in <0x00e40> LispReader.LispRootSerializer:Read (Lisp.List list)
in <0x009a4> LispReader.LispRootSerializer:Read (Lisp.List list)
in <0x00050> LispReader.LispSerializer:ReadType (System.Type type, Lisp.List list)
in <0x0014e> LispReader.LispSerializer:Read (System.IO.TextReader Reader, System.String Source)
in <0x00050> LispReader.LispSerializer:Read (System.String FileName)
in <0x00047> Application:Load (System.String fileName)

--Caused by--

"The given key was not present in the dictionary."
in <0x0006a> System.Collections.Generic.Dictionary`2[System.String,Sprites.SpriteData+Action]:get_Item (System.String )
in <0x00031> Sprites.Sprite:set_Action (System.String value)
in <0x00059> Door:.ctor ()
in <0x00000> <unknown method>
in (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (object,object[])
in <0x000da> System.Reflection.MonoCMethod:Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)