My b2evolution Version: 2.x

Getting a weird error in one of our blogs suddenly.

Before the posts:

Warning: array_merge() [function.array-merge]: Argument #2 is not an array in blah/inc/_core/_template.funcs.php on line 190

Warning: array_merge() [function.array-merge]: Argument #2 is not an array in blah/inc/items/model/_itemlistlight.class.php on line 903

At the beginning of each post:

Warning: array_merge() [function.array-merge]: Argument #2 is not an array in blah/inc/items/model/_item.class.php on line 1019

Like mentioned, this is only one blog, at the root directory of the site, all the others are fine.

I tried upgrading from 242 to 245.
[solved] Thanks to Yabba and Afwas on the Irc Channel. It was a skin problem, remnants of old 1.92 skin in there.