Okay, well this will be interesting then.
Either you can use the attached php file or you can apply the change yourself.
Within /includes/class_activecache.php, try replacing:
Code:
static $class = __CLASS__;
static $instance;
with:
Code:
var $class = __CLASS__;
var $instance;
The only way to uninstall is either going through the database and datastore (I think -- have never tried this way) or using DISABLE_HOOKS. I don't know why DISABLE_HOOKS won't work but, I'll try to fix it for your situation. There's also the fact everyone says to
backup before you install a mod. =/