Hello, I have this problem when I try to enter to Forms -> Mailchimp :
Warning: require_once(C:\xampp\htdocs\mysite//wp-admin/includes/upgrade.php): failed to open stream: No such file or directory in C:\xampp\htdocs\mysite\wp-content\plugins\gravityformsmailchimp\data.php on line 22
Fatal error: require_once(): Failed opening required 'C:\xampp\htdocs\web//wp-admin/includes/upgrade.php' (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\web\wp-content\plugins\gravityformsmailchimp\data.php on line 22
Please if you can help me.