You could let just the cable stitches drop down to the mistake and fix them with a crochet hook, but it's not simple if you have to do a cable cross after the mistake. It's doable, but you really have to concentrate.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry