With the advertisement up there isn't nice. Here's a place where you can remove that advertisement :
Go to Admin Control Panel -> Configuration -> Scroll down and look for "Activate Ads" and change "All" to "Guest".
In case you don't know where it is,
https://skittlezzms.forumotion.com/admin/index.forum?part=general&sub=general&mode=general&sid=b68d018b85c582145b91ef9eef13d6a8
Just here to help.
Go to Admin Control Panel -> Configuration -> Scroll down and look for "Activate Ads" and change "All" to "Guest".
In case you don't know where it is,
https://skittlezzms.forumotion.com/admin/index.forum?part=general&sub=general&mode=general&sid=b68d018b85c582145b91ef9eef13d6a8
Just here to help.