Conflict with plugin causes error
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Hi
When the Code Snippet plugin is activated, the following warning error appears in the admin area in one of my WC Commerce Smart Coupon I created. The Smart Coupon plugin developer responded to my support ticket saying this error message was not from their plugin and to find out which other plugin caused the conflict.Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘add_customer_type_column_data’ not found or invalid function name in /nas/content/staging/herbalhealing/wp-includes/class-wp-hook.php on line 287
Can you please help find a fix for that warning message.
Thank you
LyseThe page I need help with: [log in to see the link]
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