Common Issues general

My AI App Crashes Randomly or Shows Error Pages

Your app works most of the time but randomly crashes, shows error pages (like 500 Internal Server Error), or becomes unresponsive. It's hard to reproduce because it doesn't happen every time.

Common Causes

  • Unhandled null/undefined values — the app crashes when data is missing
  • Memory leaks — the app uses more and more memory until it crashes
  • Database connection pool exhausted — too many connections open
  • Race conditions — multiple operations happening simultaneously cause conflicts
  • Server running out of resources on a small hosting plan

How to Fix It

  1. Check server logs around the time of the crash for the actual error
  2. Monitor memory usage — if it grows over time, there's a memory leak
  3. Check database connection counts — they should stay within your pool limit
  4. Add error boundaries and try-catch blocks to prevent the entire app from crashing
  5. If using a free tier hosting plan, check if you're hitting resource limits

Real developers can help you.

Bastien Labelle Bastien Labelle Full stack dev w/ 20+ years of experience MFox MFox Full-stack professional senior engineer (15+years). Extensive experience in software development, qa, and IP networking. AUXLE AUXLE I am a Full Stack Developer experienced in building Websites, Web apps and Cross Platform Mobile Apps for Startups and Companies. Prakash Prajapati Prakash Prajapati I’m a Senior Python Developer specializing in building secure, scalable, and highly available systems. I work primarily with Python, Django, FastAPI, Docker, PostgreSQL, and modern AI tooling such as PydanticAI, focusing on clean architecture, strong design principles, and reliable DevOps practices. I enjoy solving complex engineering problems and designing systems that are maintainable, resilient, and built to scale. Vlad Temian Vlad Temian 15+ years shipping production infrastructure for startups. Former CTO at qed.builders (acquired by The Sandbox). Cursor ambassador and agentic tooling builder. I've scaled systems, automated deployments, and built observability tools for AI coding workflows. I specialize in taking vibe-coded apps from broken prototype to production-ready: fixing Supabase auth/RLS, Stripe integrations, deployment pipelines, and cleaning up AI-generated spaghetti. I build tools in this space (agentprobe, claudebin, micode) and understand both sides: how AI generates code and why it breaks. https://blog.vtemian.com/ rayush33 rayush33 JavaScript (React.js, React Native, Node.js) Developer with demonstrated industry experience of 4+ years, actively looking for opportunities to hone my skills as well as help small-scale business owners with solutions to technical problems Jen Jacobsen Jen Jacobsen I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses. I particularly enjoy building mobile apps, modern web platforms, and solving complex technical problems in a way that keeps systems clean, reliable, and easy to maintain. Daniel Vázquez Daniel Vázquez Software Engineer with over 10 years of experience on Startups, Government, big tech industry & consulting. Antriksh Narang Antriksh Narang 5 years+ Experienced Dev (Specially in Web Development), can help in python, javascript, react, next.js and full stack web dev technologies. Victor Denisov Victor Denisov Developer

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Frequently Asked Questions

The app works fine most of the time but randomly crashes. Why?

Intermittent crashes are usually caused by unhandled edge cases — missing data, exhausted connections, or memory leaks. A developer can add proper error handling and fix the root cause.

Can you make my app more stable overall?

Yes. A developer can add error handling, monitoring, and fix underlying issues that cause instability.

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Can't fix it yourself?
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