I get this problem on this page:
Warning: Cannot modify header information - headers already sent by (output started at ...\wp-content\themes\berlin\header.php:50) in ...\wp-includes\pluggable.php on line 886
It says the problem is in header.php and I have searched everywhere and tried all sorts of fixes but it is still happening. What I don't understand is that if the problem is in the header file as per:
Then why does this only occur on one of my pages when all the other one has the same header....