Help me fix an error

#1

Can someone tell me why this error is showing up, as far as i know, i have implemented the ads code properly and ads are running well

#2

Are you using preload for that JS?

#3

i have not done anything manually, If its done via auto optimize+async javascrypt then i am not sure.
Lol i will get wp rocket when my paycheck hits this month
anyways, sir suggest me please how to fix that