Problem solved. As expected it was an accidental error on my part. I re-uploaded all files and discovered I accidentally added a character that shouldn’t have been there.
Thanks for your help, Andrew Nevins. Your input certainly helped me focusing in on the issue.
This doesn’t seem to have solved it. I’m now getting this message.
Warning: require(/home/headlinerseat/public_html/wp-includes/functions.php): failed to open stream: No such file or directory in /home/headlinerseat/public_html/wp-settings.php on line 81
Fatal error: require(): Failed opening required ‘/home/headlinerseat/public_html/wp-includes/functions.php’ (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/headlinerseat/public_html/wp-settings.php on line 81
Thanks. Will try this. Just making backups. Must that also include the admin files?