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After creating a Vue 3 project, adding Vuetify 3 Alpha, when I run "npm run serve", this is the error I get. I tried without adding Vuetify 3 Alpha and the Vue 3 project starts fine, it's just after adding the Vuetify that the error appears.

INFO  Starting development server...
ERROR  ValidationError: Progress Plugin Invalid Options

    options should NOT have additional properties
    options should NOT have additional properties
    options should NOT have additional properties
    options should pass "instanceof" keyword validation
    options should match exactly one schema in oneOf

ValidationError: Progress Plugin Invalid Options

options should NOT have additional properties
options should NOT have additional properties
options should NOT have additional properties
options should pass "instanceof" keyword validation
options should match exactly one schema in oneOf

at validateOptions (c:\wamp64\www\vuetify-3\node_modules\webpack\node_modules\schema-utils\src\validateOptions.js:32:11)
at new ProgressPlugin (c:\wamp64\www\vuetify-3\node_modules\webpack\lib\ProgressPlugin.js:62:3)
at new Progress (c:\wamp64\www\vuetify-3\node_modules\progress-webpack-plugin\index.js:25:21)
at new progressPlugin (c:\wamp64\www\vuetify-3\node_modules\progress-webpack-plugin\index.js:127:10)
at c:\wamp64\www\vuetify-3\node_modules\webpack-chain\src\Plugin.js:14:18
at Object.toConfig (c:\wamp64\www\vuetify-3\node_modules\webpack-chain\src\Plugin.js:78:22)
at c:\wamp64\www\vuetify-3\node_modules\webpack-chain\src\Config.js:129:63
at Array.map (<anonymous>)
at module.exports.toConfig (c:\wamp64\www\vuetify-3\node_modules\webpack-chain\src\Config.js:129:40)
at Service.resolveWebpackConfig (c:\wamp64\www\vuetify-3\node_modules\@vue\cli-service\lib\Service.js:261:34)

Answers

I had the same error after running vue add vuetify

Run npm update and re-create the project again.

Also make sure you are on the latest versions of the following.

node -v && vue -V && npm -v

• v17.0.1
• @vue/cli 5.0.0-rc.0
• 8.1.0