No layout specified error

hello-2.9.5 successfully installed contao
but the page is not displayed in any way

always "No layout specified" I get the error

How can I fix this problem?

I'm sorry my English is also bad

[Ruud]

Hello,

did you create a theme with a page layout and assigned that as default layout or assigned it to your page?

Jan

(He posted this in my thread, but it fits your question much better)