Grow media? Lights? Nutes and application schedule? pH? RH? Temps? Any pests? Bugs/mites on underside of leaves? Please give as much useful info as possible for diagnosis.
By first appearances, it looks like overfeeding, possible nutrient lockout. but need to know all inputs and environmental parameters to understand the issue better. Leaves in the near field look like a weird Ca issue, but that usually looks more blotchy, not as aligned with the veins in the leaves. Leaves in the far field look clawed, like too high N.