I have installed the latest version of nuxt and the @pinia/nuxt module. With @pinia/nuxt the page can no longer be loaded.

[mydidefix]

Reproduction

I have installed the latest version of nuxt and the @pinia/nuxt module. With @pinia/nuxt the page can no longer be loaded.

Steps to reproduce the bug

Dear team,
I have installed the latest version of nuxt and the @pinia/nuxt module. If I remove pinia in the nuxt.config.ts under modules the page works. but if I add it the page cannot be loaded see error below.
I tried a lot with ChatGPT to solve the problem but without success.
Thank you very much

---

• Operating System: Darwin
• Node Version: v22.13.0
• Nuxt Version: 3.15.4
• CLI Version: 3.21.1
• Nitro Version: 2.10.4
• Package Manager: npm@10.9.2
• Builder: -
• User Config: compatibilityDate, devtools
• Runtime Modules: -
• Build Modules: -

---

My package.json

{
"name": "nuxt-app",
"private": true,
"type": "module",
"scripts": {
"build": "nuxt build",
"dev": "nuxt dev",
"generate": "nuxt generate",
"preview": "nuxt preview",
"postinstall": "nuxt prepare"
},
"dependencies": {
"nuxt": "^3.15.4",
"vue": "latest",
"vue-router": "latest"
},
"devDependencies": {
"@pinia/nuxt": "^0.9.0"
}
}

Error: ERROR [nuxt] [request error] [unhandled] [500] Cannot find package '@vue/composition-api' imported from /Users/demo/node_modules/vue-demi/lib/index.mjs

Expected behavior

I have installed the latest version of nuxt and the @pinia/nuxt module. If I remove pinia in the nuxt.config.ts under modules the page works. but if I add it the page cannot be loaded see error below.
I tried a lot with ChatGPT to solve the problem but without success.

Actual behavior

I have installed the latest version of nuxt and the @pinia/nuxt module. If I remove pinia in the nuxt.config.ts under modules the page works. but if I add it the page cannot be loaded see error below.
I tried a lot with ChatGPT to solve the problem but without success.

Additional information

---

• Operating System: Darwin
• Node Version: v22.13.0
• Nuxt Version: 3.15.4
• CLI Version: 3.21.1
• Nitro Version: 2.10.4
• Package Manager: npm@10.9.2
• Builder: -
• User Config: compatibilityDate, devtools
• Runtime Modules: -
• Build Modules: -

---

My package.json

{
"name": "nuxt-app",
"private": true,
"type": "module",
"scripts": {
"build": "nuxt build",
"dev": "nuxt dev",
"generate": "nuxt generate",
"preview": "nuxt preview",
"postinstall": "nuxt prepare"
},
"dependencies": {
"nuxt": "^3.15.4",
"vue": "latest",
"vue-router": "latest"
},
"devDependencies": {
"@pinia/nuxt": "^0.9.0"
}
}