Various (all?) revision deletion combinations involving the "Suppress data from administrators as well as others" option yield the following error:
<b>Warning</b>: call_user_func_array() expects parameter 1 to be a valid callback, function 'DeleteLogFormatter' not found or invalid function name in <b>C:\xampp\htdocs\w\includes\logging\LogPage.php</b> on line <b>296</b>
Version: 1.20.x
Severity: normal