Empty rule in ViewFilters

Hi,
I tried to make filter which display me only the elements with specyfic marks. The window with filter rules are empty. I made the same filter but for structural reinforcement category and it works.
Don’t know whats wrong here.

Hello @kambed91 seems you use archilabs filter tool…try filter rule type " does not equal" instead of “NotEquals”…in a codeblock or use archilabs filter rule type node