приведены ошибки, которые я получаю

C:\Users\Dell\.gradle\caches\transforms-1\files-1.1\appcompat-v7-28.0.0-alpha1.aar\51cd62c84e9404bd66ab4daf252c48a1\res\values-v28\values-v28.xml
Error:(9, 5) error: resource android:attr/dialogCornerRadius not found.
C:\Users\Dell\.gradle\caches\transforms-1\files-1.1\appcompat-v7-28.0.0-alpha1.aar\51cd62c84e9404bd66ab4daf252c48a1\res\values\values.xml
Error:(252, 5) error: resource android:attr/fontVariationSettings not found.
Error:(252, 5) error: resource android:attr/ttcIndex not found.
E:\20thJune2017_7PM\trunk\app\build\intermediates\incremental\mergeDebugResources\merged.dir\values-v28\values-v28.xml
Error:(11) error: resource android:attr/dialogCornerRadius not found.
Error:(7) resource android:attr/dialogCornerRadius not found.
Error:(11) resource android:attr/dialogCornerRadius not found.
E:\20thJune2017_7PM\trunk\app\build\intermediates\incremental\mergeDebugResources\merged.dir\values\values.xml
Error:(486) resource android:attr/fontVariationSettings not found.
Error:(486) resource android:attr/ttcIndex not found.
Error:failed linking references.
Error:java.util.concurrent.ExecutionException: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
Error:java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
Error:com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details
Error:Execution failed for task ':app:processDebugResources'.
> Failed to execute aapt

Ниже мой build.gradle (уровень приложения)

   dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    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:+'
    compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha3'
    compile 'com.android.support:design:+'
    compile 'com.android.support:support-v4:+'
    testCompile 'junit:junit:4.12'
    compile 'com.squareup.retrofit2:retrofit:2.1.0'
    compile 'com.squareup.retrofit2:converter-gson:2.1.0'
    compile 'com.google.code.gson:gson:2.7'
    compile 'de.hdodenhof:circleimageview:2.1.0'
    compile 'com.squareup.picasso:picasso:2.5.2'
    compile 'com.github.fiskurgit:ChipCloud:2.1.1'
    compile 'com.google.android.gms:play-services-maps:11.4.0'
    compile 'com.squareup.okhttp3:logging-interceptor:3.3.0'
    compile 'commons-codec:commons-codec:1.10'
    compile 'com.crittercism:crittercism-android-agent:+'
    compile 'ch.hsr:geohash:1.3.0'
    compile 'com.google.firebase:firebase-messaging:11.4.0'
    compile 'com.google.firebase:firebase-core:11.4.0'
    compile 'com.google.android.gms:play-services-analytics:11.4.0'
    compile 'com.ahmedjazzar.rosetta:rosetta:1.0.1'
}

Я пробовал разные решения от stackoverflow, но ни одно не помогло. Можете ли вы помочь мне в этом. Спасибо заранее.