para evitar "headers already sent"
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/invictopadel/public_html/wp-content/mu-plugins/sync-users-to-extern.php:134) in <b>/home/invictopadel/public_html/wp-includes/pluggable.php</b> on line <b>1450</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/invictopadel/public_html/wp-content/mu-plugins/sync-users-to-extern.php:134) in <b>/home/invictopadel/public_html/wp-includes/pluggable.php</b> on line <b>1453</b><br />