Miniapps, what's going on?

Is it normal that without human intervention, the A.I. fails 100% of the time? I tried for 3 days (without being able to finish) what I managed to do elsewhere in 5 minutes (completed 100%)

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What error do you get?

Really simple things takes way too much attempts. It also starts making changes that are not in the prompt. And yesterday, it literally changed the whole app (logo, description and EVERYTHING) after I asked for a small change to my web app settings section...