Error: Cannot find module 'ws' in Vercel

[onarbf]

I receive this error when I run my project on production (Vercel).

It's pretty weird because it works perfect on dev env, also in production in localhost works well... Is there any chance to force to get ws installed?

`Error: Cannot find module 'ws'
Require stack:

• /var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/HttpConnection.js
• /var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/HubConnectionBuilder.js
• /var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/index.js
  at Module._resolveFilename (node:internal/modules/cjs/loader:1075:15)
  at /var/task/node_modules/next/dist/server/require-hook.js:180:36
  at Module._load (node:internal/modules/cjs/loader:920:27)
  at Module.require (node:internal/modules/cjs/loader:1141:19)
  at require (node:internal/modules/cjs/helpers:110:18)
  at new HttpConnection (/var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/HttpConnection.js:40:31)
  at HubConnectionBuilder.build (/var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/HubConnectionBuilder.js:110:28)
  at file:///var/task/node_modules/sydney-ai/dist/classes/conversation.js:39:18 {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
  '/var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/HttpConnection.js',
  '/var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/HubConnectionBuilder.js',
  '/var/task/node_modules/sydney-ai/node_modules/@microsoft/signalr/dist/cjs/index.js'
  ]
  }`