No matching client found for package name 'com.example.pc.fireApp'

No matching client found for package name 'com.example.pc.fireApp'

I have this mistake when I sync my graddle. I think the problem comes from the google service.json file.

I have this mistake when I sync my graddle. I think the problem comes from the google service.json file.

"No matching client found for package name 'com.example.pc.fireApp'".

My graddle :

 apply plugin: 'com.android.application'

android { compileSdkVersion 27 defaultConfig { applicationId "com.example.pc.fireApp" minSdkVersion 19 targetSdkVersion 27 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } }

dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation 'com.android.support:appcompat-v7:27.0.0' implementation 'com.android.support.constraint:constraint-layout:1.1.3' testImplementation 'junit:junit:4.12' androidTestImplementation 'com.android.support.test:runner:1.0.2' androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2' implementation 'com.google.firebase:firebase-core:16.0.1' } apply plugin: 'com.google.gms.google-services'


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