searchable labels does not show any results.
does someone has a clue? do i miss something?

i'ts on my localhost.

joomla 2.5
K2: cant find version, but latest ( 1 week old)
Apache/2.2.21 (Win32) mod_ssl/2.2.21 OpenSSL/1.0.0e PHP/5.3.8 mod_perl/2.0.4 Perl/v5.10.1
PHP version 5.3.8
MySQL version 5.5.16

all k2 plugins are installed and enabled
scanned the whole system, scanned the code... everything looks fine.

I suspect this code for that problem: components\com_k2\models\item.php