Exception has occurred: CLR/System.Exception
Exception thrown: 'System.Exception' in FSharp.Core.dll: 'unexpected member RPrim_float32 at types RTypes [||] RTypes [|System.Double|]'
at Microsoft.FSharp.Core.PrintfModule.PrintFormatToStringThenFail@1647.Invoke(String message)
at FSharp.Compiler.PortaCode.Interpreter.EvalCall@988-106.Invoke(ResolvedTypes arg30) in /Users/davethomas/github/MonoGameTest/paket-files/fsprojects/FSharp.Compiler.PortaCode/src/Interpreter.fs:line 988