Warning: sprintf() on dashboard

Hello,

after updating to newest wordpress version and also update slimstat this error occurs on my dashboard:

Warning: sprintf(): Too few arguments in /path/to/my/site/wp-content/plugins/wp-slimstat/admin/view/wp-slimstat-reports.php on line 962 above the stats for most refering urls and access protocol.

At least for the accesses it disappears as soon as the widget did itis reload. But as soon as I do reload the whole dashboard the error is there again.

I found a similar error which was solved by resetting the layout. But that did not helped in that case.

Any help ?

Thanks,
Dragon013