Error Index
Errors people actually search for when building on AI app builders — what causes them, and how to fix them.
Base44
Bolt
Lovable
No way to get your database out of Lovable Cloudfixed
no pg_dump accessAccess-control bugs that only appear with a second user
user can access another user's dataSupabase signup confirmation emails silently go to spam
confirmation email not receivedAPI key visible in the client bundle
API key exposed in client bundleBuild succeeds but the deployed site returns 404
404 This page could not be foundSupabase anon key in the frontend grants full read/write on every table
Row Level Security is disabledEnvironment variables work locally but are undefined in production
undefined is not an object (evaluating 'process.env')Lovable app deploys to Vercel successfully but every route returns 404
404: NOT_FOUNDNetlify
Railway
Supabase
No way to get your database out of Lovable Cloudfixed
no pg_dump accessAccess-control bugs that only appear with a second user
user can access another user's dataSupabase signup confirmation emails silently go to spam
confirmation email not receivedSupabase anon key in the frontend grants full read/write on every table
Row Level Security is disabledVercel
API key visible in the client bundle
API key exposed in client bundleBuild succeeds but the deployed site returns 404
404 This page could not be foundEnvironment variables work locally but are undefined in production
undefined is not an object (evaluating 'process.env')Lovable app deploys to Vercel successfully but every route returns 404
404: NOT_FOUND