I am getting a similar error message. How do I fix the error? Please advice.
thanks
https://www.mayflowerclinic.com/wp-admin/
“Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘flip_images_pro_cglang’ not found or invalid function name in /home2/zscwnjef/public_html/wp-includes/plugin.php on line 173
Warning: Cannot modify header information – headers already sent by (output started at /home2/zscwnjef/public_html/wp-includes/plugin.php:173) in /home2/zscwnjef/public_html/wp-includes/pluggable.php on line 876″
