Get an error when I try to do a catalog thumbnail overlay.

I know it's probably not the right place but I am unable to reply on the proper thread. Here's the error I get:

The Sims 4 Studio - Version 3.1.0.9

System.AggregateException: One or more errors occurred. ---> System.ArgumentException: Parameter is not valid.

at System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement, Boolean validateImageData)

at System.Drawing.Image.FromStream(Stream stream)

at S4Studio.Images.WindowsBitmap.LoadFile(String s)

at S4Studio.Shared.Common.ThumbnailOverlayPackageCommand.<>c__DisplayClass0_0.<Run>b__0()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.Execute()

--- End of inner exception stack trace ---

---> (Inner Exception #0) System.ArgumentException: Parameter is not valid.

at System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement, Boolean validateImageData)

at System.Drawing.Image.FromStream(Stream stream)

at S4Studio.Images.WindowsBitmap.LoadFile(String s)

at S4Studio.Shared.Common.ThumbnailOverlayPackageCommand.<>c__DisplayClass0_0.<Run>b__0()

at System.Threading.Tasks.Task.InnerInvoke()

at System.Threading.Tasks.Task.Execute()<---