Geeklog Japanese member reported this.
I guess this might be a bug.
1.display group list
http://demo.geeklog.net/admin/group.php?mode=listusers&grp_id=2
2.then click "Last login Date"
http://demo.geeklog.net/admin/group.php?order=4&prevorder=username&direction=asc&userlistpage=&q=&query_limit=
3.Error message
An SQL error has occurred. Please see error.log for details.
---
admin/group.php line:629
Text Formatted Code
$retval .= ADMIN_list ('user', 'ADMIN_getListField_users', $header_arr, $text_arr, $query_arr, array(), $defsort_arr, "&mode=listusers&grp_id=$grp_id");
--->
Text Formatted Code
$retval .= ADMIN_list ('user', 'ADMIN_getListField_users', $header_arr, $text_arr, $query_arr, array(), $defsort_arr,"", "&mode=listusers&grp_id=$grp_id");
added "", then OK!
Geeklog Japan
https://www.geeklog.jp