Wait.
The other pages on the site were not working (I was getting a 404 error).
I decided to edit the htaccess file (from solution found here:https://ww.wp.xz.cn/support/topic/500-internal-server-error-on-all-wp-pages?replies=7 ) but with 644 permission instead.
The site seems to be working properly again now, but every URL now has “:?v=68caa8201064” or some other number at the end of it. Please visit http://www.headboy.org and let me know if you see a number there as well.
What can I do to hide this from showing in the url?
Thank you!
It seems to have been an Htaccess issue. I simply renamed the file and the site came back on.
Is it ok to leave it like this, or am I supposed to do more? (Does changing the htaccess filename cause other issues?)