One of my clients is newly experiencing an ISE on site load.
The error log for this site show this...
[Sun Nov 28 17:49:41.927559 2021] [core:alert] [pid 12619] [client 73.147.96.99:56967] /home/USERNAME/public_html/.htaccess: Invalid command '\xef\xbb\xbfErrorDocument', perhaps misspelled or...