What is wrong with my Camera?

I have a problem with the “work” camera and the game camera. When the game camera is far away (1000m) they go invisible. EVERYTHING behind 1000 dissippares.
Also i have this one more problem, when the work camera is close to stuff they become invisible

My problem:
GIF

There’s nothing wrong with your camera: you’re describing the near and far clipping planes. Unity - Manual: Camera component