I had just the same problem after upgrading to 2.5.X ... just deleted the item.php file under /template_name/html/com_k2/templates/[overides_name] and everything worked...

But... this is not the proper solution. Anybody with a better solution?

That is why we use template overrides, so that when we perform an upgrade our overrides will not be over written. We have ample of time to compare the new version and our overrides and make the necessary changes. :)

Did you ever get a fix for this, Im having the same issue exactly. I need the old icons.

Hi. The old icons have been removed. If you stiil want them you can add the code in your template overrides.

Can you tell me where to get the code? Is the section in the extras css file. And where is the overrides file kept. Sorry I dont do this much.