OK; downloaded what I believe is the latest (maybe Diego can start a completely new thread and post his latest there since there's way too many versions posted in this thread now, but I tracked what I believe to be the lastest) and I get the following result error:
Traceback (most recent call last):
File "C:\Program Files\GIMP 2.10\lib\gimp\2.0\python/gimpfu.py", line 740, in response
dialog.res = run_script(params)
File "C:\Program Files\GIMP 2.10\lib\gimp\2.0\python/gimpfu.py", line 361, in run_script
return apply(function, params)
File "C:\Users\{user}\AppData\Roaming\GIMP\2.10\plug-ins\DIEGO_RENDER_FillingPlus.py", line 61, in FillingPlus
(R,G,B,A)=pdb.gimp_image_pick_color(outImage, outDrawable, x, y, False, False, 0)
RuntimeError: execution error
C:\Program Files\GIMP 2.10\lib\gimp\2.0\python/gimpfu.py:812: GtkWarning: inner_clipboard_window_procedure: assertion 'success' failed
gtk.main()