Unhandled Exception

[ghost]

FLP was created with FL Studio 21.2, when I try to convert to midi it throws an exception:

Unhandled exception. System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. (Parameter "index")
at System.Collections.Generic.List`1.get_Item(Int32 index)
at Monad.FLParser.ProjectParser.ParseWordEvent(Event eventId, BinaryReader reader)
at Monad.FLParser.ProjectParser.ParseEvent(BinaryReader reader)
at Monad.FLParser.ProjectParser.Parse(BinaryReader reader)
at Monad.FLParser.Project.Load(Stream stream, Boolean verbose)
at Monad.FLParser.Project.Load(String path, Boolean verbose)
at flp2midi.Program.Main(String[] args)