Example is not working

[pacop]

Instructions to replicate:

git clone git@github.com:piniajs/example-nuxt-2.git
cd example-nuxt-2
git checkout d14163afff843e259c2d7775eeb5292a863ffad4
yarn install
yarn generate
yarn start

Go to the browser and visit the page. Error is shown as soon as we enter to the page, buttons are not working, and they don't make any action.

Google chrome returns the following error:

6bac394.js:2 Uncaught TypeError: Cannot read properties of undefined (reading 'warn')
    at Object.2 (6bac394.js:2:27157)
    at l (bdf01cb.js:1:576)
    at Object.39 (6bac394.js:2:73469)
    at l (bdf01cb.js:1:576)
    at Module.<anonymous> (6bac394.js:2:34406)
    at Module.212 (6bac394.js:2:46689)
    at l (bdf01cb.js:1:576)
    at Object.210 (c554e51.js:1:521)
    at l (bdf01cb.js:1:576)
    at t (bdf01cb.js:1:445)

Firefox returns the following error:

Uncaught TypeError: r.util is undefined