A local maximum where no amount of additional asking will clear the way forward. You’ll know you’ve hit a wall when your requests for help start cycling: Try A. You try A and report the error. Try B, it tells you. You try B and report the error. Try A, it says… Once this happens a few times, stop. Delete your recent changes and go back to the last working version of the app, and just try a different approach to whatever you were originally seeking. Ask for it differently, perhaps lightly nudging it away from the errors you got on the first approach. “Give me the code I need to accept a payment through Stripe, but I do not want a complicated checkout process. Give me the simplest possible way to do this.” That kind of thing.