spot removal tool not working

[bartonlew]

I have a bunch of old family photos.  Many have stains or spots or tears that I thought I could fix using the spot removal tool with its paint feature.  On some photos this has worked but on one in particular it does not.  A stain and spot on a man's jacket are unaffected by the tool - neither the spot removal nor click and drag feature for copying portions over other areas works.  The white "paint" area is showing when clicking and dragging but the stained area I want to replace is completely unaffected; same with the spot when I use the spot removal.  I took Jan Kabili's course on LR in lynda so I am using this tool correctly, I think.  Does anyone have any idea what could be wrong?  Thanks.

[Rob_Cullen]

I have seen the same problem rarely (2-3 times) with random images, trying to spot remove dust on a scanned photo.

Almost like one small area of the image is protected from adjustments. Other areas on the photo adjust with the brush just fine!

but I have no answer or explanation.

I will follow this thread.

CC2015.8   Win-10

[bartonlew]

okay, thanks, hopefully somebody will know.