how much are you offering in a day? maybe just offer once during the day?

Spock had problems after starting solids, would wake at night every 1 - 1 1/2 hours, screaming, arching, not settling. we fixed it by not offering her any solids after 430 pm. I haven't limited what I am giving her though, only when, so from when she wakes up to 430 its a free for all and she can have whatever she wants, and will get breakfast every morning and atleast one main meal (sometimes 2) and a couple of snacks (depends on what we are doing and what I am eating). she doesn't eat much, we do bls, so I just put stuff in front of her, she probably only eats a tablespoon, maybe 2.

food is fun until one. There are also plenty of people out there who don't offer solids until bub is 1. BF is still your bubs primary sorce of nutrition. so as long as you don't cut back on they bf, solids are just a bonus. so don't stress if he isn't having much. if he is happy go for it, if not, take a step back.
good luck!!