If create trigger with name "0", and after open for edit. Input field "Name" is empty.

But if enter "0" again, we have errors:
Array to string conversion [triggers.php:159 ? array_diff_assoc() in C:\xampp\htdocs\trunk\frontends\php\triggers.php:159]
Array to string conversion [triggers.php:159 ? array_diff_assoc() in C:\xampp\htdocs\trunk\frontends\php\triggers.php:159]

Please, retest this issue in 2.0 and in other places in frontend.