hi all. I need some help. i pre orderd space marines 2 a few days ago. and now when i try to install the game on my xbox series S it wont download. it says "Not compatible" but i got the right version of the game for X/S. i alos get error code 0x87e1011. please i need some help thanks!

Have you hard-reset your console?
Unplug power for 20 Seconds and then restart console. It always solves the most problems.
Just give it a try ;-)