Cannot modify header information headers already sent by wordpress wp admin
Подробные видеоинструкции Wordpress на тему: "Cannot modify header information headers already sent by wordpress wp admin":
How to Fix Cannot Modify Header Information
Fix Cannot modify header information - headers already sent by output
How to solve Warning Cannot Modify Header Information – Header Already Sent By (100% Solved)
Исправляем ошибку headers already sent by
