Update broke Prisma Language server for prisma v6

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

After installing the Cursor update this morning, I was welcomed by the following error message:

The Prisma Language Server server crashed 5 times in the last 3 minutes. The server will not be restarted.

In the output there is the following trace:

Node.js v22.20.0
[Info  - 10:12:50] Connection to server got closed. Server will restart.
node:internal/modules/cjs/loader:1393
  throw err;
  ^

Error: Cannot find module 'vscode-languageserver'
Require stack:
- /Users/martin/.cursor/extensions/prisma.prisma-31.3.0-universal/dist/node_modules/prisma-6-language-server/dist/server.js
- /Users/martin/.cursor/extensions/prisma.prisma-31.3.0-universal/dist/node_modules/prisma-6-language-server/dist/cli.js
- /Users/martin/.cursor/extensions/prisma.prisma-31.3.0-universal/dist/node_modules/prisma-6-language-server/dist/bin.js
    at Module._resolveFilename (node:internal/modules/cjs/loader:1390:15)
    at defaultResolveImpl (node:internal/modules/cjs/loader:1032:19)
    at resolveForCJSWithHooks (node:internal/modules/cjs/loader:1037:22)
    at Module._load (node:internal/modules/cjs/loader:1199:37)
    at c._load (node:electron/js2c/node_init:2:17993)
    at TracingChannel.traceSync (node:diagnostics_channel:322:14)
    at wrapModuleLoad (node:internal/modules/cjs/loader:244:24)
    at Module.require (node:internal/modules/cjs/loader:1470:12)
    at require (node:internal/modules/helpers:147:16)
    at Object.<anonymous> (/Users/martin/.cursor/extensions/prisma.prisma-31.3.0-universal/dist/node_modules/prisma-6-language-server/dist/server.js:37:33) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/Users/user/.cursor/extensions/prisma.prisma-31.3.0-universal/dist/node_modules/prisma-6-language-server/dist/server.js',
    '/Users/user/.cursor/extensions/prisma.prisma-31.3.0-universal/dist/node_modules/prisma-6-language-server/dist/cli.js',
    '/Users/user/.cursor/extensions/prisma.prisma-31.3.0-universal/dist/node_modules/prisma-6-language-server/dist/bin.js'
  ]
}

Tried to uninstall the Prisma extension through the UI and also deleted its /Users/user/.cursor/extensions/folder.

Steps to Reproduce

Install the Prisma extension, and in .vscode settings, pin the Prisma version to v6

“prisma.pinToPrisma6”: true

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 2.2.36
VSCode Version: 1.105.1
Commit: 55c9bc11e99cedd1fb93fbb7996abf779c583150
Date: 2025-12-18T06:25:21.733Z
Electron: 37.7.0
Chromium: 138.0.7204.251
Node.js: 22.20.0
V8: 13.8.258.32-electron.0
OS: Darwin arm64 25.1.0

Does this stop you from using Cursor

No - Cursor works, but with this issue

3 Likes

Same here

Just checked, the same error happens with vscode as well so it’s probably not a Cursor issue.

I can confirm this issue

Hey all!

Looks like this issue has been acknowledged on the Prisma side. Take a look here:

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