What are the steps to reproduce this issue?

1. Install sourcebans
2. Give mutes bans or gags

What happens?
The Invoked on and Expires on is blank, there is no data there but in mysql database I have. And When editing a ban it gives me and error but aplyes anyway..

Any logs, error output, etc.?
None
Fatal error: Cannot use object of type ADORecordSet_mysqli as array in /var/www/html/pages/admin.edit.ban.php on line 206

What versions of software are you using?

Operating System: Debian 8
SourceBans++ Version: 1.7
PHP Version:5.6