Hello
When I install the theme I have the following errors :
Warning: Cannot modify heaader information – headers already sent by (output started at /homepages/5/d756720732/htdocs/clickandbuilds/listpornworld/wp-content/themes/directory/inc/metabox.php:373) in /homepages/5/d756720732/htdocs/clickandbuilds/listpornworld/wp-admin/includes/misc.php on line 1126

Warning: Cannot modify header information – headers already sent by (output started at /homepages/5/d756720732/htdocs/clickandbuilds/listpornworld/wp-content/themes/directory/inc/metabox.php:373) in /homepages/5/d756720732/htdocs/clickandbuilds/listpornworld/wp-includes/option.php on line 919

Warning: Cannot modify header information – headers already sent by (output started at /homepages/5/d756720732/htdocs/clickandbuilds/listpornworld/wp-content/themes/directory/inc/metabox.php:373) in /homepages/5/d756720732/htdocs/clickandbuilds/listpornworld/wp-includes/option.php on line 920

I see an update for the theme, despite the mistakes I made the update but I can not even activate the theme.
How can i resolve this problemes ?
Thank you for your help