Urgent-Don't get Portal content-

Hello Experts,

I am in serious problem. pls help me

I changed the master rule collection to use my custom desktop. but by mistake i given the wrong path in If condition and it is for all the users.

now i am able to login in to the portal but don't get content.

error coming "Error occurred while trying to access desktop: “portal_content/com.pnb.xyz/com.xyz.brandpcd:portal_content/com.xyz.xyz/com.xyz.branding/TestDesktoping/frameworkpage""

please help me any kind of ehlp will be Appreciated !!

Thanks & Regards!!!