Warning: Cannot modify header information - headers already sent by (output started at /var/www/web252/html/finearbeit/wp-content/plugins/magic-fields-2/admin/mf_post.php:503) in /var/www/web252/html/finearbeit/wp-includes/pluggable.php on line 1121
the action instead goes well, i deleted it. i had to reload the page and the action worked.
what i've done so far:
1) I read something about deleting whitespace, but there is no whitespace.
2) i deinstalled the plugin and installed it again.
nothing worked. do you have a solution for me?
bye, kevin