Huu Le

`[ 'field' => 'password', 'label' => 'lang:bf_password', 'rules' => 'trim|max_length[120]|valid_password|matches[pass_confirm]', ], [ 'field' => 'pass_confirm', 'label' => 'lang:bf_password_confirm', 'rules' => 'trim', ]` You can try to use **trim** validation rule.

Find and change in line 257 `if ($scope.tags.indexOf(item) === -1 && item) {` to fix it