Random Number generator is not working. only for 1 zone

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Assets

Summary

The Random Number generator is not working. No matter how long you make the zone it only works for 1 zone that has a red color

Steps to Reproduce

Place the RNG in a UEFN map and put it to how many every tiles, it only can recognize the trigger which is in one red box

Expected Result

That all my triggers would come under the zone

Observed Result

A red zone, is the only place the works out of any amount of tiles

Platform(s)

Pc UEFN