UBB.threads PHP Forum Software Community Forums UBB.threads 7 Installation and Upgrade Support Upgrade to 7.4.1 issues

I have the problem with all my islands. I can successfully update them, but i get this as a response...

"Parse error: parse error, unexpected '<' in /forums/cache_builders/custom/portal_box_1.php on line 5"

Gallery Island, Post Island and Custom Island.