bug on latest version @docusaurus/core@2.0.0-beta.3: Cannot read property 'latest' of undefined

[sibelius]

🐛 Bug Report

Prerequisites

• I'm using the latest version of Docusaurus.
• I have tried the npm run clear or yarn clear command.
• I have tried rm -rf node_modules yarn.lock package-lock.json and re-installing packages.
• I have tried creating a repro with https://new.docusaurus.io
• I have read the console error message carefully (if applicable)

Description

app/node_modules/@docusaurus/core/bin/docusaurus.js:49
if (notifier.update && semver.gt(this.update.latest, this.update.current)) {
^

TypeError: Cannot read property 'latest' of undefined
at Object.<anonymous> (app/node_modules/@docusaurus/core/bin/docusaurus.js:49:46)

Have you read the Contributing Guidelines on issues?

yes

Steps to reproduce

upgrade to 2.0.0-beta.3 it was working on 2.0.0-beta.1

docusaurus start

Expected behavior

do not break

Actual behavior

shows an error

app/node_modules/@docusaurus/core/bin/docusaurus.js:49
if (notifier.update && semver.gt(this.update.latest, this.update.current)) {
^

TypeError: Cannot read property 'latest' of undefined
at Object.<anonymous> (app/node_modules/@docusaurus/core/bin/docusaurus.js:49:46)

Your environment

• Public source code: private
• Public site URL: private
• Docusaurus version used: 2.0.0-beta.3
• Environment name and version chrome, node 14
• Operating system and version: mac os x

"@docusaurus/core": "2.0.0-beta.3",
"@docusaurus/preset-classic": "2.0.0-beta.3",

Reproducible demo

I will work on it

[sibelius]

yarn --force

fixed

[Zamiell]

i got this same error, i resolved it by nuking my node_modules and package-lock.json files and then doing npm install again

[slorber]

weird, not sure why this happens, thanks for reporting

[rexwangcc]

Just another datapoint, ran into the same error when running yarn start --locale XXX, fixed it by:

rm -rf node_modules yarn.lock
yarn install