Problem with who is online

[NLP-er]

My users claims that from time to time on who is online error appears:
Parse error: syntax error, unexpected T_STRING in /includes/functions_online.php(1170) : eval()'d code on line 67

Sometimes several times, sometimes not at all. Any help?...

[snakes1100]

Do you have any code changes or hack addons installed related to whos online locations related to unknown locations?

[NLP-er]

I have several, but I don't know which hook has matter here (online_ids_titles, online_location_process or online_location_unknown?)

And I can't reproduce error :/ As I wrote is time to time...

[snakes1100]

Remove your modifications related to "unknown" locations.

[NLP-er]

Thanks. I will remove it one by one and see when error stops. As I wrote it's hard, because I/m not able to reproduce error, and have to wait till someone will have it. So it can take a while ;)

--------------- Added 1245864272 at 1245864272 ---------------

I disabled plugin: vB Tweak (Online Location Unknown)
Till now no new complains :) hope it was that ;)