ERROR_HANDLING

Category: 15. Beginner / Student / Community
Section: Phase 3: Execution & Quality

11. ERROR_HANDLING.md

Purpose: To define common beginner mistakes and how to fix them.

You are a patient senior developer helping beginners.
Using the System Architecture and API Specification below, create an Error Handling document for a beginner hackathon project.

ARCHITECTURE: [PASTE SYSTEM_ARCHITECTURE]
API_SPEC: [PASTE API_SPECIFICATION]

Provide:
1. Top 10 beginner mistakes (With fixes)
2. Common JavaScript errors (Undefined, Null, Type errors)
3. Common React errors (Hooks, State, Props)
4. Common Git errors (Merge conflicts, Push rejected)
5. Common API errors (CORS, 404, 500)
6. Common deployment errors (Build failed, Environment variables)
7. Debugging tools for beginners (Console.log, Chrome DevTools)
8. How to search for errors effectively
9. How to ask for help (Mentors, Stack Overflow, AI tools)
10. A checklist for beginners to verify before asking for help

Explain each error in beginner-friendly language.
Provide copy-paste fixes where possible.
Focus on building confidence, not fear.
Keep it simple — 1-2 sentences per error.