Please follow the steps below to activate All-in-One SEO Pack Pro.
In the file all-in-one-seo-pack-pro/pro/sfwd_update_checker.php find the function check_license_key which starts around line 50, add this to the start of the function code:
Further down around line 111 find the function add_plugin_row, add this to the start of the code function:
(the 2nd part isn’t strictly necessary but if you don’t do it, you will get a message saying invalid or missing license key on the plugin page if there is an update available.)
Should all work now.