iOS Build error with google analytics

I integrated google analytics plugin in my ionic3 app but on iOS I have build issue…

/app/platforms/ios/Pods/Protobuf/objectivec/google/protobuf/FieldMask.pbobjc.m:19:10: fatal error: 'google/protobuf/FieldMask.pbobjc.h' file not found
 #import "google/protobuf/FieldMask.pbobjc.h"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
cli packages: (/usr/local/lib/node_modules)

    @ionic/cli-utils  : 1.19.2
    ionic (Ionic CLI) : 3.20.0

global packages:

    cordova (Cordova CLI) : 8.0.0 

local packages:

    @ionic/app-scripts : 3.1.8
    Cordova Platforms  : browser 5.0.3 ios 4.5.4
    Ionic Framework    : ionic-angular 3.9.2

System:

    ios-sim : 6.1.2 
    Node    : v7.7.0
    npm     : 5.7.1 
    OS      : macOS Sierra
    Xcode   : Xcode 9.2 Build version 9C40b 

Environment Variables:

    ANDROID_HOME : not set

Misc:

    backend : pro

Have you an advice for me?