Ensure APCu functions have been enabled in your PHP install
Design and Skin Customization
I saved my PHP configuration using system tools to a html file then zipped it here...thought this might work to show my php settings if interested..
Here are the settings for what you stated..
$_SERVER['REMOTE_ADDR'] 216.198.163.158
updated by @derrickhand300: 03/03/18 08:41:06AM