How to add an include layout in coordinator layout in android studio

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Visual-Studio

Android

hello

i created two Xml activities. One is for the activity interface layout and another one is the for the coordinator layout.I added the include layout for the interface layout activity into the coordinator layout and i cant see my interface layout from the preview.
the previeW is blank and these are the errors they are showing me

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Error 1: RENDER PROBLEMS

<item> tag requires a 'drawable' attribute or child tag defining a drawable
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Error 2: can't make a decor toolbar out of relative layout

java.lang.IllegalStateException: Can't make a decor toolbar out of RelativeLayout
at android.support.v7.widget.ActionBarOverlayLayout.getDecorToolbar(ActionBarOverlayLayout.java:549)
at android.support.v7.widget.ActionBarOverlayLayout.pullChildren(ActionBarOverlayLayout.java:538)
at android.support.v7.widget.ActionBarOverlayLayout.onMeasure_Original(ActionBarOverlayLayout.java:339)
at android.support.v7.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java)
at android.view.View.measure_Original(View.java:22071)
at android.view.View_Delegate.measure(View_Delegate.java:80)
at android.view.View.measure(View.java:22035)
at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:715)
at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:461)
at android.view.View.measure_Original(View.java:22071)
at android.view.View_Delegate.measure(View_Delegate.java:80)
at android.view.View.measure(View.java:22035)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.measureView(RenderSessionImpl.java:590)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:343)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:384)
at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:193)
at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:544)
at com.android.tools.idea.rendering.RenderTask.lambda$inflate$3(RenderTask.java:678)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

What I have tried:

I have tried to change the theme to appCompact