I tried to use the new version 1.22 and I get this error
System.TypeLoadException: Could not load type 'PaintDotNet.GdiPlusFileType' from assembly 'PaintDotNet.Data, Version=4.3.5316.40022, Culture=neutral, PublicKeyToken=null'.
at SpriteSheet.MyFileType.OnSave(Document input, Stream output, SaveConfigToken token, Surface scratchSurface, ProgressEventHandler callback)
at PaintDotNet.FileType.Save(Document input, Stream output, SaveConfigToken token, Surface scratchSurface, ProgressEventHandler callback, Boolean rememberToken) in d:\src\pdn\paintdotnet\src\Data\FileType.cs:line 284
at PaintDotNet.Controls.DocumentWorkspace.<>c__DisplayClass30.<DoSave>b__28() in d:\src\pdn\paintdotnet\src\PaintDotNet\Controls\DocumentWorkspace.cs:line 2954
at PaintDotNet.Functional.Func.Try(Action f) in d:\src\pdn\paintdotnet\src\Base\Functional\Func.cs:line 174
My apologizes I checked things over and I found that the dll was not installed in the correct place. I corrected the install and low and behold it worked. Please forgive my error Great work nice to have it back again.
Dennis