fix PHP errors in WordPress

Hello
Please help to fix these errors in WordPress:
Warning: unlink(/tmp/wordpress-seo.22.0.zip): No such file or directory in /home3/senrest/public_html/wp-admin/includes/class-wp-upgrader.php on line 386

Warning: Cannot modify header information – headers already sent by (output started at /home3/senrest/public_html/wp-admin/includes/class-wp-upgrader.php:386) in /home3/senrest/public_html/wp-admin/ includes/misc.php on line 1431

Warning: Cannot modify header information – headers already sent by (output started at /home3/senrest/public_html/wp-admin/includes/class-wp-upgrader.php:386) in /home3/senrest/public_html/wp-includes/ functions.php on line 7049

Warning: Cannot modify header information – headers already sent by (output started at /home3/senrest/public_html/wp-admin/includes/class-wp-upgrader.php:386) in /home3/senrest/public_html/wp-admin/ admin-header.php on line 9

thank you