This happened to me last night as well. Brake lever went on fine, though I did realize over tightening that bolt causes the brake lever to stick.
The clutch lever has too much play compared to the brake. The nut looks like it can be tightened a little more but it spins no matter which way I try and move it. Hopefully I didn't strip it. Kinda t a loss right now. Going to a buddy's house to get a 2nd set of eyes hands on it.