general view thing... how to remove it ?

Hi,

Once in a while i have this useless annoying bar getting in front of my wiew… my workflow and my life.
and each time i don’t know what’s it’s called… where to remove it and who on earth thought it was a usefull idea in the first place to add this to nuendo.
https://photos.app.goo.gl/Ja31P1HJw8NWnWHh7

thx for your help

It is called overview and is quite useful for my workflow.
Control it on the left cogwheel on the pic:
Skärmavbild 2020-02-01 kl. 17.16.37.png