[Error [TurbopackInternalError]: Next.js package not found #76028
Description
Link to the code that reproduces this issue
https://github.com/Chukwu3meka/waverd-client/tree/Chukwu3meka
To Reproduce
After upgrading to canary and migrating from tailwind3 to v4. Next runs fine but after sometime it crashes without making any change to the codebase.
Next version is next": "15.2.0-canary.56 but next info return:
next: 15.1.2 // There is a newer version (15.1.7) available, upgrade recommended!
Error I get is
FATAL: An unexpected Turbopack error occurred. Please report the content of C:\Users\CHUKWU~1\AppData\Local\Temp\next-panic-9a86b6afcb30f9175043498a85323cb4.log, along with a description of what you were doing when the error occurred, to https://github.com/vercel/next.js/issues/new
[Error [TurbopackInternalError]: Next.js package not found
Debug info:
- Execution of get_entrypoints_with_issues_operation failed
- Execution of EntrypointsOperation::new failed
- Execution of Project::entrypoints failed
- Execution of AppProject::routes failed
- Execution of directory_tree_to_entrypoints_internal failed
- Execution of directory_tree_to_loader_tree failed
- Execution of get_next_package failed
- Next.js package not found]
The batch file cannot be found.
Current vs. Expected behavior
This is my package.json and I use pnpm as my package manager.
{
"name": "waverd-client",
"version": "0.1.0",
"private": true,
"scripts": {
"dev": "next dev --turbopack",
"build": "next build",
"start": "next start",
"lint": "next lint"
},
"dependencies": {
"@next/bundle-analyzer": "^15.1.7",
"@radix-ui/react-dialog": "^1.1.6",
"@radix-ui/react-navigation-menu": "^1.2.5",
"@radix-ui/react-separator": "^1.1.2",
"@radix-ui/react-slot": "^1.1.2",
"@radix-ui/react-tabs": "^1.1.3",
"@reduxjs/toolkit": "^2.5.1",
"@vercel/analytics": "^1.5.0",
"@vercel/speed-insights": "^1.2.0",
"class-variance-authority": "^0.7.1",
"clsx": "^2.1.1",
"lucide-react": "^0.475.0",
"next": "15.2.0-canary.56",
"next-themes": "^0.4.4",
"react": "^19.0.0",
"react-dom": "^19.0.0",
"react-icons": "^5.4.0",
"react-redux": "^9.2.0",
"tailwind-merge": "^3.0.1",
"tailwindcss-animate": "^1.0.7",
"vaul": "^1.1.2"
},
"devDependencies": {
"@playwright/test": "^1.50.1",
"@tailwindcss/postcss": "^4",
"@types/node": "^20",
"@types/react": "^19",
"@types/react-dom": "^19",
"sass": "^1.84.0",
"tailwindcss": "^4",
"typescript": "^5"
}
}
Provide environment information
Operating System:
Platform: win32
Arch: x64
Version: Windows 11 Pro
Available memory (MB): 16142
Available CPU cores: 12
Binaries:
Node: 22.12.0
npm: 10.9.0
Yarn: N/A
pnpm: 9.15.2
Relevant Packages:
next: 15.1.2 // There is a newer version (15.1.7) available, upgrade recommended!
eslint-config-next: N/A
react: 19.0.0
react-dom: 19.0.0
typescript: N/A
Next.js Config:
output: N/A
⚠ There is a newer version (15.1.7) available, upgrade recommended!
Please try the latest canary version (`npm install next@canary`) to confirm the issue still exists before creating a new issue.
Read more - https://nextjs.org/docs/messages/opening-an-issueWhich area(s) are affected? (Select all that apply)
Turbopack, Runtime, create-next-app, Script (next/script)
Which stage(s) are affected? (Select all that apply)
next dev (local)
Additional context
No response