Error when processing image using FillProcessor

[collaorodrigo7]

I am having problems running FreetronicsDMS.
This is what I have done:

$dotnet "build" "/RaspberryPi.Libs/FreetronicsDMD/FreetronicsDMD.csproj"

And then:

$cd ./RaspberryPi.Libs/FreetronicsDMD/bin/Debug/netcoreapp2.0
$sudo dotnet FreetronicsDMD.dll  lib

And I am getting this error:

SixLabors.ImageSharp.ImageProcessingException: An error occured when processing the image using FillProcessor`1. See the inner exception for more detail. at SixLabors.ImageSharp.Processing.ImageProcessor`1.Apply(Image`1 source, Rectangle sourceRectangle) at SixLabors.ImageSharp.DefaultInternalImageProcessorContext`1.ApplyProcessor(IImageProcessor`1 processor, Rectangle rectangle) at SixLabors.ImageSharp.DefaultInternalImageProcessorContext`1.ApplyProcessor(IImageProcessor`1 processor) at SixLabors.ImageSharp.ImageExtensions.Fill[TPixel](IImageProcessingContext`1 source, IBrush`1 brush) at SixLabors.ImageSharp.ImageExtensions.Fill[TPixel](IImageProcessingContext`1 source, TPixel color) at RaspberryPi.PiGPIO.Drivers.Dede.FreetronicsDMDSurface.<>c__DisplayClass25_0.<Clear>b__0(IImageProcessingContext`1 updates) in /home/pi/Desktop/RaspberryPi.Libs/RaspberryPi.PiGPIO.Drivers.Drawings.ImageSharp/Dede/FreetronicsDMDSurface.cs:line 173 at SixLabors.ImageSharp.ImageExtensions.Mutate[TPixel](Image`1 source, Action`1 operation) at RaspberryPi.PiGPIO.Drivers.Dede.FreetronicsDMDSurface.UpdateSurface(Action`1 updates) in /home/pi/Desktop/RaspberryPi.Libs/RaspberryPi.PiGPIO.Drivers.Drawings.ImageSharp/Dede/FreetronicsDMDSurface.cs:line 114 at RaspberryPi.PiGPIO.Drivers.Dede.FreetronicsDMDSurface.Clear(Boolean value) in /home/pi/Desktop/RaspberryPi.Libs/RaspberryPi.PiGPIO.Drivers.Drawings.ImageSharp/Dede/FreetronicsDMDSurface.cs:line 171 at RaspberryPi.PiGPIO.Drivers.Dede.FreetronicsDMDSurface.Init(Boolean runThread) in /home/pi/Desktop/RaspberryPi.Libs/RaspberryPi.PiGPIO.Drivers.Drawings.ImageSharp/Dede/FreetronicsDMDSurface.cs:line 88 at RaspberryPi.PiGPIO.Drivers.Dede.FreetronicsDMDSurface.Init() in /home/pi/Desktop/RaspberryPi.Libs/RaspberryPi.PiGPIO.Drivers.Drawings.ImageSharp/Dede/FreetronicsDMDSurface.cs:line 81 at Dede.DMDTest.Program.Run(IPiGPIO gpio) in /home/pi/Desktop/RaspberryPi.Libs/FreetronicsDMD/Program.cs:line 113

Do you have any clue why would I be getting this?

I am running on a RPI 3, running Raspbian 10:

   $lsb_release -a
   No LSB modules are available.
   Distributor ID: Raspbian
   Description:    Raspbian GNU/Linux 10 (buster)
   Release:        10
   Codename:       buster

Dotnet version:

  $dotnet --version
  2.2.102

Thanks for your help