home page broken community groups page

Dear Sir,

WPMU with BP, home page broken

Checkout our growing community network, why not join one of them?

Christian Louboutin outlet in München So erhalten wir spät..."
target="_blank" href="http://domain.com/community/groups/christian-louboutin-outlet-in-munchen-so-erhalten-wir">

christian louboutin pumps There are..." target="_blank" href="http://domain.com/community/groups/there-are-no-articles-of-louboutin">

How to fix it?

Thank you!