I get 'The list atf is currently being edited by another administrator' when i go to edit an existing item.

Try to unlock all locked items:

Tools -> Global Check-in

Let me know,
Luigi

Thanks - I tried this first.
But the same message still occurs.

It's strange.
Could you, please, give me a temporary access to you backend? You should send me account details via email.

Luigi

Ok, I got it and there is a little "bug"... but not in code, just on table definitions. I'll release a patch as soon as possible.

Meanwhile it is enough you change a field definition on jos_redj table:

OLD (bugged): `checked_out` tinyint(1) NOT NULL DEFAULT '0',

NEW (correct): `checked_out` int(11) unsigned NOT NULL DEFAULT '0',

You got the problem just because you changed the administrators ID
from 62 to a value greatest than 127... I'm so sorry about this stupid mistake in SQL definition.

Luigi