Try a builder decision.
Good AI building depends on what you ask for, what you check and when you stop. Try this short scenario without an account. Every answer explains its consequence.
Free practice · Debugging · About 2 minutes
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You asked for a scroll animation. The preview now shows “Application error.” Your previous version worked. What should you do first?
Read the explanation without the interactive exercise
Choice B gathers useful evidence. The error plus the change gives the agent evidence. Ask for one small fix and verify it against the same steps. If a published service is affecting users, restore its last working release while you investigate in a separate copy.
Adapted from VibeGym's “landing-white-screen” training scenario. This exercise uses a simulated situation, not a live customer incident.
Find your next practice step →Use it on your own project
- Write the exact steps that reproduce the problem.
- Record the first relevant error and the last working version.
- Ask for one targeted change and a way to verify it.
- Retest the failed flow and one nearby working flow.
Use the debugging template, follow the white-screen troubleshooting guide, or explore the debugging curriculum.