(node:25203) UnhandledPromiseRejectionWarning while adding the plug-in

[Kals5]

• Version:
  $ node -v
  v8.5.0
• Platform:
  Linux XXX 4.4.0-78-generic How about an io.js podcast to help us keep up? #99-Ubuntu SMP Thu Apr 27 15:29:09 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
• Subsystem:

I'm trying to install to add the plugin but it always gives the error like
Please ASAP provide the solution
Thanks in Advance.

ionic cordova plugin add call-number

cordova plugin add call-number --save
(node:25203) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): [object Object]
(node:25203) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

[apapirovski]

Hi @Kals5, I would recommend checking with ionic, cordova or the plugin author for call-number. This tracker is for bugs in Node.js core only which this doesn't appear to be, as such I'm going to close this issue.