Thank you Stiofan and Giri.
It could just be my site. Later this evening, I had these kind of errors (while disabling plugins one by one trying to troubleshoot an unrelated problem). I have fixed these but thought of sharing it here. Just in case it helps in your assessment.
Warning: include(home/directory/public_html/wp-content/themes/gazette/inc/updater.php): failed to open stream: No such file or directory in home/directory/public_html/wp-content/themes/gazette/functions.php on line 255
Warning: include(): Failed opening ‘home/directory/public_html/wp-content/themes/gazette/inc/updater.php’ for inclusion (include_path=’.:/opt/php70/lib/php’) in home/directory/public_html/wp-content/themes/gazette/functions.php on line 255
Warning: Cannot modify header information – headers already sent by (output started at home/directory/public_html/wp-content/themes/gazette/functions.php:255) in home/directory/public_html/wp-includes/pluggable.php on line 1210