yarn-error.log

Arguments: 
  /usr/local/bin/node /usr/share/yarn/bin/yarn.js add @web3-react/injected-connector

PATH: 
  /home/nonseodion/.local/bin:/home/nonseodion/bin:/home/nonseodion/.local/bin:/home/nonseodion/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin

Yarn version: 
  1.22.4

Node version: 
  12.16.1

Platform: 
  linux x64

Trace: 
  SyntaxError: /home/nonseodion/.cache/yarn/v6/npm-klaw-1.3.1-4088433b46b3b1ba259d78785d8e96f73ba02439-integrity/node_modules/klaw/package.json: Unexpected end of JSON input
      at JSON.parse (<anonymous>)
      at /usr/share/yarn/lib/cli.js:1625:59
      at Generator.next (<anonymous>)
      at step (/usr/share/yarn/lib/cli.js:310:30)
      at /usr/share/yarn/lib/cli.js:321:13

npm manifest: 
  {
    "name": "crypto-bookshop",
    "version": "1.0.0",
    "description": "An online bookshop that accepts crypto as payment",
    "main": "truffle-config.js",
    "directories": {
      "test": "test"
    },
    "scripts": {
      "test": "echo \"Error: no test specified\" && exit 1"
    },
    "author": "nonseodion",
    "license": "ISC",
    "dependencies": {
      "@openzeppelin/contracts": "^3.2.0",
      "dotenv": "^8.2.0",
      "solc": "^0.6.2",
      "truffle-test-helpers": "^0.2.2"
    },
    "devDependencies": {
      "@nomiclabs/hardhat-web3": "^2.0.0",
      "@openzeppelin/test-helpers": "^0.5.9",
      "web3": "^1.3.0"
    }
  }

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile