GA4 - filter internal traffic - issue

Question

I am the owner and admin of a ga4 property. My goal is to exclude internal traffic from one or more IP addresses from reporting. Into settings -> Stream I defined the internal traffic with internal value by inserting IP address. After that in settings -> data settings -> data filter, I created a filter with value internal_traffic with parameter exclude. The problem is that it only works in test mode and not in active mode. If I try to activate it, a small square appears in the center of the screen and it doesn't give me a chance to activate it. Do you have any idea how to fix it? Thanks