Need Help to find the exact plugin

Ionic Framework ionic-v3
1

Friends,
I am developing an app which previously done by one programmer. When I try to run a page I got error as

Help
Help.png820×449 55 KB

which says Barcodescanner plugin is missing. On searching I hope the plugin mentioned in URL:
Plugin URL
is enough. Please advise is this exact one ?

Waiting your fast reply

Thanks

Anes

2

Hello,

do as describted.

Best regards, anna-liebt

3

Problem is fixed with

npm install

Thanks alot @anna_liebt

Anes

4