Arguments: /usr/bin/node /usr/local/bin/yarn add worker_threads PATH: /opt/logicmoo_workspace/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/.dotnet/tools:/opt/logicmoo_workspace/packs_lib/sparqlprog/bin Yarn version: 1.22.10 Node version: 12.21.0 Platform: linux x64 Trace: Error: https://registry.yarnpkg.com/worker_threads: Not found at Request.params.callback [as _callback] (/usr/local/lib/node_modules/yarn/lib/cli.js:66988:18) at Request.self.callback (/usr/local/lib/node_modules/yarn/lib/cli.js:140662:22) at Request.emit (events.js:314:20) at Request. (/usr/local/lib/node_modules/yarn/lib/cli.js:141634:10) at Request.emit (events.js:314:20) at IncomingMessage. (/usr/local/lib/node_modules/yarn/lib/cli.js:141556:12) at Object.onceWrapper (events.js:420:28) at IncomingMessage.emit (events.js:326:22) at endReadableNT (_stream_readable.js:1241:12) at processTicksAndRejections (internal/process/task_queues.js:84:21) npm manifest: { "name": "typescript-hello-world", "version": "1.0.0", "description": "Typescript Hello World", "main": "src/index.js", "scripts": { "hello": "node_modules/.bin/ts-node src/index.ts" }, "author": "", "license": "ISC", "dependencies": { "ts-node": "^5.0.1", "typescript": "^2.8.1" }, "devDependencies": { "@types/node": "^9.6.0" } } yarn manifest: No manifest Lockfile: No lockfile