Michelle on "[Plugin: Gravity Forms Subscriptions Add-On] Error message: strict standards get_base_url shouldn't be called statically"

Getting this error with debug turned on:

Strict Standards: Non-static method GFExactTarget::get_base_url() should not be called statically in /var/www/wp-content/plugins/gravity-forms-exacttarget/exacttarget.php on line 65

Strict Standards: Non-static method GFExactTarget::get_base_path() should not be called statically in /var/www/wp-content/plugins/gravity-forms-exacttarget/exacttarget.php on line 82

https://wordpress.org/plugins/gravity-forms-subscriptions/