Clones not rooting

So I have an amazing Grandpas Cookies mom and she wont clone. All the clones turn red and die after a week. Ive tried areoponics and my normal root riot cubes. I know its the mother, because recently I’ve cloned many other strains with no problem.
The mom looks pretty healthy, however, a few of the branches turned purple and most of them look healthy. I did clone the mother in the past. So confused and this pheno is an all time favorite out the gate. Any advise?
Thanks

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If all else fails try to reveg her

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