Cannot find plugin.xml for plugin "cordova-plugin-ionic". Please try adding it again

Cannot install ionic plug in.

Step 1:

npm i cordova-plugin-ionic

Step 2:

cordova plugin add cordova-plugin-ionic --save --variable APP_ID="myappid" --variable CHANNEL_NAME="Master" --variable UPDATE_METHOD="background"

Error:

CordovaError: Cannot find plugin.xml for plugin "cordova-plugin-ionic". Please try adding it again.