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Lovable fixes & guides
4 guides · what breaks in Lovable, why it happens, and the exact steps that fix it.
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Lovable changed something you didn't ask it to touch — here's why and how to recover
You asked Lovable to add one thing and it also changed your nav, your styles, or something else that was working fine. Here's why Lovable makes unintended changes and the three recovery paths depending on how far you've gotten since.
Read the fix - New
Lovable preview is a blank white screen? Here's how to find the real error
Your Lovable app built fine but the preview is just blank white — no error, nothing. Here's why a React app renders nothing when it crashes on mount, and the one move that surfaces the actual error in under a minute.
Read the fix - New
How to fix Lovable applying your edit to the wrong component
Lovable keeps editing the wrong file or component? Here's why it happens and the exact steps to scope your next prompt so the fix actually lands.
Read the fix - New
Lovable app not saving data? The Supabase checklist
Lovable app not saving data or stuck in an auth loop? It's almost always one of three Supabase issues. Here's how to check each one and fix it.
Read the fix