Can't select checkbox

[ziomekdjpl]

Hey

I have problem with configuration of item, i can't select checkbox, i attach a image of this checkbox.

[BDiE8VNy]

Could it be that these items were based on a Low-Level-Discovery?
See ZBXNEXT-821.

[ziomekdjpl]

thanks, this help me:

Dirty and easy fix - search in file include/views/configuration.item.list.php line
$checkBox->setEnabled(empty($item['discoveryRule']));
and comment/remove it.