Hmmmm...
That could be a lot of things. Try backtracking a bit. Make your selection first, on a new layer try filling that with a noticeable color like bright red. Do you get the panel lines in red? If so, next try selecting inverse and filling that with red. Does it fill everything but the panel lines? If so, next reduce your selection. Remember, if it's feathered and reduced too much you will fill the hole thing. Try pulling back only a few pixels to start with, like 5 or 6, then feathering 4 or 5 pixels. Does it fill correctly?
If all that checks out it's just a matter of finding out how much to reduce and feather.
You can run into another problem where PS will tell you "Warning: No pixels are more than 50% selected. The selection edges will not be visible."
Sometimes you can still fill your selection even if this window pops up, but other times you'll not get anything.
If none of that helps, maybe it's making the selection itself that's not working.
Try that stuff and let me know what happens.
(I hope it works thought
)
