Dear All ;
I just installed K2 (on both joomla 1.5.2 and joomla 2.5) for the first time. The installation process was successful. but when I try to add my first category and after filling the category name ... ets when I press on save button I get no kind of response the browser just messege me with "Error on page" the appears at the button of the browser. The same message is appears when I click on "NEW" for adding new item.
So please advice with a solution to over come this issue.

Which PHP version?

Katharina wrote: Which PHP version?

Thanks Kathrina for referring to the php ver . I tried the same scenario on a another machine that runs a newer version of php and things ran correctly. I will try on my production server now after upgrading to newer PHP.
Thanks.