I can't add a new project in Eclipse

I installed eclipse with ADT plugin, when i try to add a new project i have this error

Failed to find the style corresponding to the id 2130772026 Failed to find the style corresponding to the id 2130771996 java.lang.NullPointerException Exception details are logged in Window > Show View > Error Log The following classes could not be instantiated: - android.support.v7.internal.app.WindowDecorActionBar (Open Class, Show Error Log) See the Error Log (Window > Show View) for more details.

Thanks advance