android.view.InflateException: строка двоичного XML-файла # 10: строка двоичного XML-файла # 10: ошибка надувания класса Button

Question

вот мой пример ошибки и мой .xml

10-22 15:47:02.959 18003-18003/tips.admin.tipsscore.rewards E/AndroidRuntime: FATAL EXCEPTION: main
    Process: tips.admin.tipsscore.rewards, PID: 18003
    java.lang.RuntimeException: Unable to start activity ComponentInfo{tips.admin.tipsscore.rewards/tips.admin.tipsscore.rewards.MainActivity}: android.view.InflateException: Binary XML file line #10: Binary XML file line #10: Error inflating class Button
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
        at android.app.ActivityThread.-wrap11(ActivityThread.java)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:148)
        at android.app.ActivityThread.main(ActivityThread.java:5417)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
     Caused by: android.view.InflateException: Binary XML file line #10: Binary XML file line #10: Error inflating class Button
        at android.view.LayoutInflater.inflate(LayoutInflater.java:539)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
        at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)
        at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
        at tips.admin.tipsscore.rewards.MainActivity.onCreate(MainActivity.java:11)
        at android.app.Activity.performCreate(Activity.java:6237)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
        at android.app.ActivityThread.-wrap11(ActivityThread.java) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:148) 
        at android.app.ActivityThread.main(ActivityThread.java:5417) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 

XML:

<Button
    android:id="@+id/back"
    android:layout_width="110dp"
    android:layout_height="55dp"
    android:background="@drawable/back"
    tools:layout_editor_absoluteX="16dp"
    tools:layout_editor_absoluteY="12dp" />
<Button
    android:id="@+id/rewards"
    android:layout_width="124dp"
    android:layout_height="53dp"
    android:background="@drawable/reward_btn"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="34dp"
    tools:layout_editor_absoluteY="82dp" />
<ImageView
    android:id="@+id/imageView"
    android:layout_width="348dp"
    android:layout_height="428dp"
    app:srcCompat="@drawable/bg_content"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="16dp"
    tools:layout_editor_absoluteY="67dp" />
<Button
    android:id="@+id/invite"
    android:layout_width="317dp"
    android:layout_height="79dp"
    android:background="@drawable/reward_btn"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="34dp"
    tools:layout_editor_absoluteY="290dp" />

<Button
    android:id="@+id/plus"
    android:layout_width="39dp"
    android:layout_height="36dp"
    android:background="@drawable/btnplus"
    android:paddingLeft="40dp"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="325dp"
    tools:layout_editor_absoluteY="16dp" />

<ImageView
    android:id="@+id/imageView2"
    android:layout_width="210dp"
    android:layout_height="74dp"
    tools:ignore="MissingConstraints"
    app:srcCompat="@drawable/barkoin"
    tools:layout_editor_absoluteX="154dp"
    tools:layout_editor_absoluteY="0dp" />

<TextView
    android:id="@+id/coins"
    android:layout_width="90dp"
    android:layout_height="25dp"
    android:text="000000"
    android:textColor="#0ede50"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="229dp"
    tools:layout_editor_absoluteY="25dp" />

<TextView
    android:id="@+id/availabele"
    android:layout_width="205dp"
    android:layout_height="75dp"

    android:text="YOU HAVE 20 AVAILILABE GIFTS "
    android:textColor="#0ede50"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="163dp"
    tools:layout_editor_absoluteY="67dp" />

<Button
    android:id="@+id/redeam"
    android:layout_width="317dp"
    android:layout_height="79dp"

    android:background="@drawable/reward_btn"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="34dp"
    tools:layout_editor_absoluteY="396dp" />

<TextView
    android:id="@+id/refeer"
    android:layout_width="267dp"
    android:layout_height="99dp"
    android:text="DID YOU KNOW INVITING OR REFERRING YOU FRIENDS CAN EARN YOU MORE COINS? INVITE YOUR FRIENDS FOR MORE COINS "
    android:textColor="#0ede50"
    tools:ignore="MissingConstraints"
    tools:layout_editor_absoluteX="58dp"
    tools:layout_editor_absoluteY="187dp" />