npm ERR! Unexpected end of JSON input while parsing near '...Q==" code example

Example 1: npm ERR! Unexpected end of JSON input while parsing near '...r\nComment: https://o'

npm cache clean --force
npm install -g @angular/cli

Example 2: npm ERR! Unexpected end of JSON input while parsing near '...rity":"sha512-o7nOSN0

npm cache clean --force