Everything is working fine but suddenly unable to start new project with error.
> npm i
npm WARN deprecated core-js@2.6.11: core-js@<3 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3.
npm WARN deprecated mkdirp@0.5.4: Legacy versions of mkdirp are no longer supported. Please update to mkdirp 1.x. (Note that the API surface has changed to use Promises in 1.x.)
npm WARN deprecated request@2.88.2: request has been deprecated, see https://github.com/request/request/issues/3142
npm ERR! Unexpected end of JSON input while parsing near '...XuvJHwJRfyznxU\nqPi4D'
npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/.../.npm/_logs/2020-03-26T13_55_17_902Z-debug.log
[ERROR] An error occurred while running subprocess npm.
Command: ionic start myApp
Ionic:
Ionic CLI : 6.3.0
Utility:
cordova-res (update available: 0.11.0) : 0.9.0
native-run                             : 0.3.0
System:
NodeJS : v12.16.1
npm    : 6.14.4
OS     : macOS Catalina
npm 6.14.4
node v12.16.1