Asteroids become invisible after a few minutes (Multiplayer)

(I first posted this in the feedback area by mistake. I'm sorry)

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I was playing on a few multiplayer servers and I had the following problem:

SE VERSION:

1.192.022

DESCRIPTION:

After 5-30 minutes online the asteroids around me "disappear". Even the one, I built my base inside. It then looks like my base is floating in space. The asteroids anyway still seem to be there somehow, since I can collide with them.

The asteroids remain invisible until I reconnect via F5 Button. This doesn't always work. Sometimes I have to retry it several times. Not only do the asteroids become invisible, the ore detector hud markers disappear, too. Maybe this is relevant somehow.

also:

When I was flying around, looking for specific ores, I also noticed, that sometimes the "new" asteroids, that are automatically generated when you fly through space, don't show up. The "old" asteroids may even stay sometimes. It's kind of the same issue but only with the newly generated asteroids.

After flying 40km in one direction without finding any new asteroids, I reconnected just to make sure. Now there were dozens of asteroids around me that were invisible before reconnecting.

The issue seems to happen randomly. It doesn't matter if I'm in my base welding blocks or flying around with my ship.

WHAT I ALREADY TRIED:

- updated GPU drivers

- validated game files

- deleted "shadercache2" folder in Appdata\Roaming\Space Engineers

- tried different graphics settings in the game menu

MY PC:

- Win10

- GeForce GTX 980

- Intel i7 4770k

- 16GB RAM

- DSL with rather bad bandwith (1,5mb/s max download rate.)