how to fix it? please help

[alexandrucn]

source/Main.hx:87: characters 61-65 : Float should be Int
source/Main.hx:87: characters 61-65 : For optional function argument 'updateFramerate'
source/NGio.hx:15: characters 1-68 : io.newgrounds.objects.events.Result has no field or subtype GetCurrentVersionResult
source/NGio.hx:16: characters 1-61 : io.newgrounds.objects.events.Result has no field or subtype GetVersionResult
source/NGio.hx:169: characters 25-39 : Void -> Void should be Null<io.newgrounds.objects.events.Outcome<io.newgrounds.CallError> -> Void>
source/NGio.hx:169: characters 25-39 : For optional function argument 'callback'
source/NGio.hx:172: characters 30-45 : Void -> Void should be Null<io.newgrounds.objects.events.Outcome<io.newgrounds.CallError> -> Void>
source/NGio.hx:172: characters 30-45 : For optional function argument 'callback'
source/NGio.hx:155: characters 24-33 : Void -> Void should be Null<io.newgrounds.LoginOutcome -> Void>
source/NGio.hx:155: characters 24-33 : For optional function argument 'callback'
source/ui/ModMenu.hx:113: characters 26-34 : String should be Null<polymod.ScanParams>
source/ui/ModMenu.hx:113: characters 26-34 : String has no field apiVersionRule
source/ui/ModMenu.hx:113: characters 26-34 : For optional function argument 'scanParams'
source/NGio.hx:53: characters 5-19 : io.newgrounds.Call<io.newgrounds.objects.events.GetCurrentVersionData> has no field addDataHandler (Suggestion: addStatusHandler)
source/NGio.hx:102: characters 65-78 : error: io.newgrounds.LoginOutcome should be io.newgrounds.objects.Error
source/NGio.hx:102: characters 65-78 : have: (io.newgrounds.objects.Error) -> ...
source/NGio.hx:102: characters 65-78 : want: (io.newgrounds.LoginOutcome) -> ...
source/NGio.hx:102: characters 65-78 : For optional function argument 'callback