title: Error:Failed to resolve: support-vector-drawable
body: <p>I have a problem with gradle. it was working fine but all of sudden when I was rebuilding the project it gives me this error: </p>
  
  <blockquote>
    <p>Error:Failed to resolve: support-vector-drawable</p>
  </blockquote>
  
  <p>I can't find out what my problem is?</p>
  
  <p>My <code>app.gradle</code> </p>
  
  <pre><code>buildscript {
      repositories {
          maven { url 'https://plugins.gradle.org/m2/' }
      }
      dependencies {
          classpath 'gradle.plugin.com.onesignal:onesignal-gradle-plugin:0.8.1'
      }
  }
  
  apply plugin: 'com.onesignal.androidsdk.onesignal-gradle-plugin'
  
  repositories {
      maven { url 'https://maven.google.com' }
  }
  
  apply plugin: 'com.android.application'
  apply plugin: 'io.fabric'
  
  android {
      compileSdkVersion 26
      buildToolsVersion '26.0.2'
      defaultConfig {
      applicationId "com.arizeh.arizeh"
      minSdkVersion 17
      targetSdkVersion 22
      multiDexEnabled true
      versionCode 29
      versionName "3.0.5"
      useLibrary 'org.apache.http.legacy'
      testInstrumentationRunner 
      buildTypes {
          release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
      compileOptions {
          sourceCompatibility 1.8
          targetCompatibility 1.8
      }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
          exclude group: 'com.android.support', module: 'support-annotations'
      })
      compile 'com.android.support:appcompat-v7:26+'
      testCompile 'junit:junit:4.12'
      compile 'com.google.android.gms:play-services-maps:15.0.1'
      compile 'com.google.android.gms:play-services-places:15.0.1'
      compile 'com.google.android.gms:play-services-location:15.0.1'
      compile 'com.google.android.gms:play-services-gcm:15.0.1'
      compile 'com.google.android.gms:play-services-base:15.0.1'
      compile 'com.google.firebase:firebase-messaging:15.0.2'
  
      compile 'com.android.support:design:26.1.0'
      compile 'com.android.support:cardview-v7:26.1.0'
      compile 'uk.co.chrisjenx:calligraphy:2.1.0'
      compile 'com.google.code.gson:gson:2.8.0'
      compile 'com.koushikdutta.ion:ion:2.+'
      compile 'com.android.support:percent:26.1.0'
      compile 'com.squareup.picasso:picasso:2.5.2'
      compile 'com.shawnlin:number-picker:2.4.2'
      compile 'com.astuetz:pagerslidingtabstrip:1.0.1'
      compile 'com.android.support:multidex:1.0.2'
      compile 'com.android.support:support-compat:26.1.0'
      compile 'com.daimajia.easing:library:2.0@aar'
      compile 'com.daimajia.androidanimations:library:2.2@aar'
  
      compile 'com.zarinpal:purchase:0.0.3-beta'
  
      compile 'com.squareup.retrofit2:retrofit:2.3.0'
      compile 'com.squareup.retrofit2:converter-gson:2.3.0'
  } 
  </code></pre>