Turn off "others are now viewing this sheet"

Hello, is there a way to turn off this notification or any idea what can be causing this, there were only about 8 people in this at one time? (see below) It ends up taking over the screen and makes it difficult to work. This is just a normal Smartsheet and reports/dynamic views/etc are not options for the type of workflow we are using, we have to do it using only this Smartsheet.

Thank you