Can not use Aisling on rings crafted with "suffix cannot be changed" from the new beast craft

I have a ring with full suffix and I used the new beast craft with Wild Bristle Matron to craft "suffix cannot be changed". After, I could not use Aisling on this ring, it says cannot generate mods. I have a two-stone ring at item level 85 with 20% resistance quality.

if your talking about the demon loop two stone on your pathfinder... this isn't a bug, it already has a veiled mod on it.

You are right, it makes sense now. Thank you!