I am having the same issue pretty much. It shows up on almost every page.
Warning: array_key_exists() [function.array-key-exists]: The second argument should be either an array or an object in ../../wp-content/plugins/bp-gtm-system/lib/actions.php on line 19
What array or object should be there?
https://www.ads-software.com/extend/plugins/bp-gtm-system/
