On my Huawei P20, the applications have shifted. What to do?

On my Huawei P20, the applications have shifted. Next to the right and down than in the picture is not. What can I do to get it back like before?

Just press longer on the application and then drag it where you want it to go.

Device already rebooted?

Try the following:
Settings> Start screen and background> Settings start screen> Start screen layout \ and set it to 5 x 6 …

Thanks, that helped.

Very nice. That pleases me very much.