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nextjs-404-troubleshooting

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Fix Next.js 404 errors

Software Engineering#troubleshooting#localStorage#nextjs#ssr#async params#404 error
AuthorWebSmartTeam
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill resolves common Next.js 404 errors, including issues with asynchronous parameters, Server-Side Rendering (SSR) conflicts with localStorage, and domain configuration mismatches, ensuring pages are generated correctly.

Core Features & Use Cases

  • Async Params Fix: Correctly handles Next.js 15/16 breaking changes where parameters are now Promise-based.
  • SSR localStorage Guard: Prevents localStorage errors during SSR by adding a window check.
  • Domain Unification: Ensures consistency between apex and subdomain configurations.
  • Use Case: Resolve a situation where dynamic routes are returning 404 errors after upgrading Next.js, or when localStorage is causing build failures.

Quick Start

Use the nextjs-404-troubleshooting skill to fix async params and localStorage SSR issues in Next.js.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: nextjs-404-troubleshooting
Download link: https://github.com/WebSmartTeam/COR-CODE/archive/main.zip#nextjs-404-troubleshooting

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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