How do I get rid of the disc warning sign

Do you own the games on disc? If so, the sign will stay until you put the disc in the drive. Once the disc is ejected, the sign will come back.

It means corrupted install

You will have to reinstall the game

Now if it is on series s you need to download from your profile if it's a disk.on a series s then it won't work as you need the disk

I do have the games but it says the disc warning sings

What can I do about it ?

Is there a way to get rid of it

I want to know

Also is this feature on other Xbox’s

As above, there's nothing you can do about it. It will always have that unless you have the disc in the drive.