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Copilot AI commented Oct 15, 2025

Overview

This PR addresses the issue where running npm run dev resulted in the error "'next' is not recognized as an internal or external command". The root cause was that project dependencies were not installed.

Problem

When attempting to start the Next.js development server with npm run dev, the command failed because:

  • The node_modules directory did not exist
  • The Next.js package and other dependencies were not available
  • The 'next' CLI command could not be found in the environment

Solution

The solution was straightforward - install the project dependencies by running:

npm install

This installed all 338 required packages including:

  • Next.js 15.5.5 (the React framework)
  • React 19.1.0 and React DOM
  • TypeScript and type definitions
  • Tailwind CSS v4
  • ESLint and related packages

Verification

All npm scripts now work correctly:

Development Server

npm run dev
# ▲ Next.js 15.5.5
# - Local:        http://localhost:3000
# ✓ Ready in 1565ms

Production Build

npm run build
# ✓ Compiled successfully
# ✓ Generating static pages
# ✓ Exporting

Linting

npm run lint
# No errors found

Application Screenshot

The Mundial 2026 website is now running successfully with all features working:

Mundial 2026 Homepage

Notes

  • No code changes were required - the repository configuration was already correct
  • The README.md already documents the proper setup process (lines 25-26)
  • The .gitignore is properly configured to exclude node_modules from version control
  • This is standard setup for any Node.js/Next.js project

Setup Instructions for New Users

For anyone cloning this repository for the first time:

# 1. Install dependencies
npm install

# 2. Run the development server
npm run dev

# 3. Open http://localhost:3000 in your browser

The issue was resolved by following the documented installation steps. No changes to the codebase were necessary.

Original prompt

implement this.

[Chronological Review: The conversation began with the user executing the command `npm run dev`, which is intended to start a development server for a project using Next.js. The command failed with an error indicating that 'next' is not recognized as a command. The user then requested to implement a solution to this issue, indicating a desire to resolve the problem and continue development.]

[Intent Mapping:

  • User executed npm run dev to start the development server.
  • User requested to "implement this," indicating a need for assistance in resolving the command failure.]

[Technical Inventory:

  • Technology: Next.js (version not specified), used for building server-rendered React applications.
  • Command Line Tool: npm (Node Package Manager), used to run scripts defined in the package.json file.]

[Code Archaeology:

  • No specific files or code changes were discussed yet, but the command npm run dev is related to the project's package.json file where scripts are defined.]

[Progress Assessment:

  • The command to start the development server was executed but failed due to the 'next' command not being recognized. No tasks have been completed yet, and the user is seeking a resolution.]

[Context Validation:

  • The user is attempting to run a development server for the project and is facing an issue with the Next.js setup. All necessary context for continuation is captured.]

[Recent Commands Analysis:

  • Last Agent Commands: npm run dev
  • Tool Results Summary: The command failed with the message: "'next' is not recognized as an internal or external command, operable program or batch file." The terminal process terminated with exit code: 1.
  • Pre-Summary State: The agent was actively trying to run the development server when the token budget was exceeded.
  • Operation Context: The user is trying to start the development environment for the project, which is essential for ongoing development work.]
1. Conversation Overview: - Primary Objectives: The user aimed to start the development server using the command `npm run dev` and requested assistance to resolve the failure of this command. - Session Context: The conversation focused on executing a command to initiate a development server, which resulted in an error due to the 'next' command not being recognized. - User Intent Evolution: The user initially attempted to run the server and then sought help to implement a solution to the encountered issue.
  1. Technical Foundation:
  • Next.js: A framework for building server-rendered React applications, essential for the project.
  • npm: Node Package Manager, used to manage project dependencies and run scripts.
  1. Codebase Status:
  • No specific files were modified or discussed yet, but the command relates to the project's package.json file where the 'dev' script is defined.
  1. Problem Resolution:
  • Issues Encountered: The command npm run dev failed with the error that 'next' is not recognized.
  • Solutions Implemented: None yet; the user is seeking assistance to resolve the issue.
  • Debugging Context: The failure indicates a potential issue with the Next.js installation or configuration.
  • Lessons Learned: The need to ensure that all dependencies are correctly installed and accessible in the environment.
  1. Progress Tracking:
  • Completed Tasks: None completed yet; the command execution resulted in an error.
  • Partially Complete Work: The attempt to run the development server is in progress but not successful.
  • Validated Outcomes: No features or code have been confirmed working due to the failure.
  1. Active Work State:
  • Current Focus: The user was focused on running the development server using npm run dev.
  • Recent Context: The last few exchanges involved the execution of the command and the resulting error message.
  • Working Code: The command npm run dev was being discussed.
  • Immediate Context: The user was addressing the failure of the command to proceed with development.
  1. Recent Operations:
  • Last Agent Commands: npm run dev
  • Tool Results Summary: The command failed with the message: "'next' is not recognized as an internal or external command, operable program or batch file." The terminal process terminated with exit code: 1.
  • Pre-Summary State: The agent was actively trying to run the development server when the token budget was exceeded.
  • Operation Context: The user is trying to start the development environment for the project, which is essential for ongoing development work.
  1. Continuation Plan:
  • Pending Task 1: Resolve the issue with the 'next' command not being recognized. The user may need to check if Next.js is installed correctly.
  • Pending Task 2: Ensure that the project dependencies are properly set up in the environment.
  • Priority Information: Addressing the command failure is urgent to allow the user to continue development.
  • Next Action: Investigate the installation of Next.js and ensure it is included in the project'...

Created from VS Code via the GitHub Pull Request extension.


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Copilot AI changed the title [WIP] Fix error when running npm dev command in Next.js Fix: Install npm dependencies to resolve 'next' command not recognized error Oct 15, 2025
Copilot AI requested a review from ppiova October 15, 2025 18:51
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2 participants