Support » Plugin: Wakker Media Newsletter Checkout Checkbox » Checkout breaks under 4.0

Checkout breaks under 4.0

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  • ingeniuske

    (@ingeniuske)

    8 years, 10 months ago

    I had the same problem and solved it by adding in the file wakkermedia-newsletter-checkout-checkbox.php next line of code:
    include_once( ABSPATH . ‘wp-admin/includes/plugin.php’ );

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