Error during yarn install procedure

[lhimo]

Executing yarn install after cloning the repo gives the following error:

error An unexpected error occurred: "https://registry.yarnpkg.com/@material-ui/icons/-/icons-4.9.1.tgz: ESOCKETTIMEDOUT".

Please find the log file attached.
yarn-error.log

Executing yarn dev afterwards results in:

yarn run v1.22.10
warning ..\..\package.json: No license field
$ yarn start:dev
warning ..\..\package.json: No license field
$ yarn db:seed:dev
warning ..\..\package.json: No license field
$ cp src/data/dev-seed.json src/data/database.json
$ NODE_ENV=development start-test start:server-and-api:watch 3000 cypress:open
"NODE_ENV" non è riconosciuto come comando interno o esterno,
 un programma eseguibile o un file batch.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

[kevinold]

@lhimo

This is a known issue with installing @material-ui/icons and will resolve itself in time. Keep trying to install every hour or so and refer to the following issues filed against MUI and Yarn for ideas/solutions.

Unable to install @material-ui/icons last version (2.0.1) · Issue #12432 · mui-org/material-ui
mui/material-ui#12432

Yarn fails with ESOCKETTIMEDOUT while installing a large package on a slow disk · Issue #8242 · yarnpkg/yarn
yarnpkg/yarn#8242