I dont know where the WordPress home directory is and just where to place the following solution code:
Thanks in advance for your help. If you can point me to an educational youtube video, I would appreciate it.
"… Solution
Often your web hosting provider or server administrator can resolve this issue, or you can try this solution.
*** Add the following line to the wp-config.php file in your WordPress home directory:**
** **define( 'FL_BUILDER_MODSEC_FIX', true );** **
This line causes the request to be base64-encoded so modsec sees the offending tags and text as binary data and allows it to pass through…"