Mike Jolley on "[Plugin: WooCommerce] Warning: call_user_func_array() expects parameter 1 to be a valid callback, clas"

Hi everyone,

I migrated my site over from hostgator to 1and1. Since the migration, i'm getting a ton of error messages on the top header of my homepage. I was wondering if anyone has any ideas on how to fix it?

Waing: call_user_func_array() expects parameter 1 to be a valid callback, class 'WC_Form_Handler' does not have a method 'checkout_action' in /.../wp-includes/plugin.php on line 525

Waing: call_user_func_array() expects parameter 1 to be a valid callback, class 'WC_Form_Handler' does not have a method 'update_cart_action' in /.../wp-includes/plugin.php on line 525

Waing: call_user_func_array() expects parameter 1 to be a valid callback, class 'WC_Form_Handler' does not have a method 'pay_action' in /.../wp-includes/plugin.php on line 601

Waing: call_user_func_array() expects parameter 1 to be a valid callback, class 'WC_Form_Handler' does not have a method 'add_payment_method_action' in /.../wp-includes/plugin.php on line 601

Waing: call_user_func_array() expects parameter 1 to be a valid callback, class 'WC_Form_Handler' does not have a method 'save_address' in /.../wp-includes/plugin.php on line 525

Waing: call_user_func_array() expects parameter 1 to be a valid callback, class 'WC_Form_Handler' does not have a method 'save_account_details' in /.../wp-includes/plugin.php on line 525

Thanks everyone!

https://wordpress.org/plugins/woocommerce/