Items in queue but they are not display

[jstepien]

Hello,

I'm using Zabbix Server 3.0.25 and I'm facing a weird problem.

There are items in queue but they are not display in user interface like you can see in screenshots in attachments. It says "Displaying 0 of 18 found".
How can I identify them?

Thank you for you help.

[jstepien]

Re,

I found the items in queue by enabling Debug mode. It lists the IDs returned by SQL requests.

It appears that this is some discovery rules that became "Not supported". Is there a way to list them on web interface like for the items?