• My client’s website runs WP eCommerce (Version 3.8.14.4) and the WP FlexiShop theme.

    During checkout, users get this message:

    Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, ‘wpsc_google_checkout_page’ was given in /home/content/37/5723737/html/wp-includes/plugin.php on line 505

    It won’t let them complete the checkout. Here is the website: http://artistictriumphs.com/

    I know the issue is with Google Checkout (my client only accepts PayPal, but I know GC is discontinued).

    Also, PrimoThemes doesn’t update the theme anymore, but has anyone come across this issue and is there a way to fix this error?

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