Android App Compatv7 Error

[Android Question]

Hello Sir,
I have installed new libraries from 'android sdk'
and now

I am getting the problem regarding
app_compatv7 error


error: Error retrieving parent for item: No resource found that matches the given name
'Theme.Base.AppCompat.DialogWhenLarge.Base'.

Direcotires:

app_compat v7 --> values-large-v14-->themes-base.xml