Lovable Issues

Browse 98 expert guides to help you solve common lovable issues quickly.

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Lovable is an AI app builder that generates full-stack React + Supabase projects from chat prompts. These guides cover the most common issues developers encounter — from blank screens and CORS errors to authentication failures and broken deployments. Each guide includes the root cause, a step-by-step fix with code examples, and best practices to prevent the issue from recurring.

Most common issues

The issues Lovable developers hit most often

AdvancedBuild & Errors

Accessing and Understanding Error Logs in Lovable

Find Lovable error logs in the browser console, Cloud tab Logs, and preview panel. Learn to read stack traces and debug faster.

5 min·~10 min

IntermediateBuild & Deploy

Adding CI/CD Workflows for Lovable Projects

Set up GitHub Actions and Vercel auto-deploy for Lovable projects. Automate builds, tests, and preview deployments on every push.

4 min·~30 min

BeginnerUI & Styling

Adding Custom Fonts to Lovable Without Conflicts

Load custom fonts in Lovable with @font-face or Google Fonts, extend Tailwind fontFamily, and resolve shadcn/ui style conflicts.

Lovable Issues

Describe your problem, we'll find the right guide

Most common issues

Accessing and Understanding Error Logs in Lovable

Adding CI/CD Workflows for Lovable Projects

Adding Custom Fonts to Lovable Without Conflicts

Accessing and Understanding Error Logs in Lovable

Adding CI/CD Workflows for Lovable Projects

Adding Custom Fonts to Lovable Without Conflicts

Adding Custom Routes in Lovable Without Breaking Navigation

Adding Google Analytics, OG Tags, and Meta Tags to Lovable Projects

Adding OAuth Providers (Google, GitHub) in Lovable Auth Flow

Adding Real-Time Functionality to Lovable Using Supabase Realtime

Adding Video and Audio Elements in Lovable Projects

Addressing Persistent Bugs Not Resolved by Lovable AI

Avoiding Stale State Updates in Lovable Hooks

Avoiding Stale State Updates in Lovable React Hooks

Best Practices for Using Lovable in Client Workflows

Configuring SPA Fallback Pages in Lovable Projects

Connecting Lovable Apps to External Databases Safely

Creating and Customizing 404 Pages in Lovable Projects

Creating Reactive Input Forms with Controlled Inputs in Lovable

Customizing Code Style and Preferences in Lovable Projects

Customizing Component Names Generated by Lovable AI

Describing UI Layouts Clearly for Lovable AI

Enabling Functional onClick Events in Lovable Buttons

Enabling GitHub Integration in Lovable

Ensuring Lovable Includes All Required Features in Your Prompt

Ensuring SVG Graphics Render Properly in Lovable Projects

Ensuring TailwindCSS Classes Apply Properly in Lovable

Exporting Lovable Projects for Manual Deployment to Any Host

Fixing 404 Errors on Page Refresh in Lovable SPAs

Fixing 500 Internal Server Errors from Lovable API Calls

Fixing Anchor Link Scroll Issues in Lovable Single-Page Apps

Fixing Broken Asset Paths After Lovable Deployment

Fixing Broken Pages When Accessing Routes Directly in Lovable

Fixing Form Submission Errors in Lovable Projects

Fixing Inconsistent Output from Lovable's AI Code Generation

Fixing Incorrect Static File Paths After Lovable Build

Fixing Infinite Loop Errors in Lovable Apps

Fixing Layout Issues in Lovable on Mobile Devices

Fixing Login Issues on Page Refresh in Lovable Applications

Fixing Misinterpreted Feature Requests in Lovable

Fixing Missing Initial State in Lovable Form Components

Fixing Overlapping Elements in Lovable Layouts

Fixing Production Issues Not Present in Lovable Preview

Fixing Style Bugs Introduced by Lovable Code Regeneration

Fixing Token Expiration and Session Management in Lovable

Handling Crashes During Code Generation in Lovable

How to Add, Change, or Remove the Favicon in Your Lovable Project

How to Back Up and Restore Lovable Project Data Safely

How to Collaborate on Lovable Projects with Multiple Team Members

How to Configure Environment Variables and Secrets in Lovable

How to Connect a Custom Backend (Express, Django, FastAPI) to Lovable

How to Connect External API Endpoints (Stripe, OpenAI) to Lovable

How to Customize Themes, Colors, and UI Styles in Lovable Projects

How to Deploy a Lovable Project to Vercel Without Errors

How to Duplicate and Remix Existing Lovable Projects

How to Fix a Blank White Screen After Building a Lovable App

How to Fix Blank Output After Building a Lovable Project

How to Make Lovable Projects Fully Responsive Across All Devices

How to Prevent CORS Issues When Using External APIs in Lovable

How to Resolve CORS Errors in Lovable Full-Stack Applications

How to Upload and Reference Static Assets (Images, Fonts, Files) in Lovable

Implementing Form Validation in Lovable Projects

Implementing Nested Routes Correctly in Lovable

Improving Prompt Structure for Better Results from Lovable

Instructing Lovable to Use Specific Frameworks or Libraries

Integrating Firebase Authentication with Lovable Projects

Integrating Third-Party APIs and SDKs in Lovable

Locking Code Sections from AI Edits in Lovable

Managing Git and Version Control in Lovable Projects

Managing Global State in Lovable Applications

Managing Multiple Workspaces in Lovable for Teams and Clients

Optimizing Large Asset Loading in Lovable Projects

Preventing Feature Skipping in Lovable Code Generation

Preventing Lovable from Deleting Components Automatically

Preventing Lovable from Overwriting Manual Code Edits

Preventing Side Effects with useEffect in Lovable Projects

Properly Aligning Flexbox and Grid Elements in Lovable