Plant takes less N during flowering and is showing nute burn!

So this is my first grow, I'm in Coco and have been following Canna's Grow Guide. Everything is looking great but I started to notice that my plants are burning when they never used to.

I'm on the same nute dosage as I was 2 weeks ago. Now at 5 weeks into flower.

So my question is, while in flower do I gotta step down my nutes?

Bump as I would like to know this also for when I start

well have you switched to a flowering nute?

Cannabis requires different nutes in both veg and flower... What have you been feeding and how much/often?