Getting error while installing plugin

[vegetablesalad]

I'm getting this error while installing plugin:

Plugin "org.nypr.cordova.wakeupplugin" already installed on android.
Plugin "org.nypr.cordova.wakeupplugin" already installed on browser.
Installing "org.nypr.cordova.wakeupplugin" for ios
Failed to install 'org.nypr.cordova.wakeupplugin':CordovaError: Could not find *-Info.plist file, or config.xml file.
at Object.parseProjectFile [as parse] (/Users/usr/-projects/-app/platforms/ios/cordova/lib/projectFile.js:51:15)
at Api.addPlugin (/Users/usr/-projects/-app/platforms/ios/cordova/Api.js:224:33)
at handleInstall (/usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/plugman/install.js:611:6)
at /usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/plugman/install.js:407:28
at _fulfilled (/usr/local/lib/node_modules/cordova/node_modules/q/q.js:787:54)
at self.promiseDispatch.done (/usr/local/lib/node_modules/cordova/node_modules/q/q.js:816:30)
at Promise.promise.promiseDispatch (/usr/local/lib/node_modules/cordova/node_modules/q/q.js:749:13)

at /usr/local/lib/node_modules/cordova/node_modules/q/q.js:509:49
at flush (/usr/local/lib/node_modules/cordova/node_modules/q/q.js:108:17)
at _combinedTickCallback (internal/process/next_tick.js:67:7)

Error: Could not find *-Info.plist file, or config.xml file.