CCTV Monitors keep flickering like this and guards are acting weird

[Quoctuan]

For some reason after the update, my guards keep circling around the CCTV monitors like in the short video
Any way to fix it?
I have tried multiple ways, but to no result

 

[Quoctuan]

(In case you couldn't see the short video)
(Remove the Space, because it didn't allow me to send link directly)
gyazo. com/89f7cb3f7534947eb557b6cd9fb2dc44