Do you see any other error log under the document root folder?
Maybe you can raise a ticket to support@litespeedtech.com with this link appended for further check.
Oh, I guess you are using DirectAdmin. You can create a .htaccess file under the virtual host document root, and put the rule there. This way should work too.
Check https://openlitespeed.org/kb/how-to-autoload-htaccess-with-openlitespeed/
in virtual host level, do you see Rewrite and Rewrite Rules section? Add the following rule there, and them graceful restart the web server
RewriteRule ^/(xmlrpc|wp-trackback)\.php - [F,L,NC]
May I ask what pi browser is?
I saw you have LSCache, CloudFlare + super cache enabled at the same time. Not pretty sure which caused the issue. If it happens every day, could you help to narrow down the issue and share the result with us?
Hi I saw @bhanusingh is using 1.7.12 actually, please submit a ticket to bug@litespeedtech.com with this forum post link appended, so we can take a further look.
I see. You can buy the license from https://www.litespeedtech.com/products/litespeed-web-server/lsws-pricing, and apply the serial via the LiteSpeed extension > Change License. Should be no other action required. You can also get support from https://store.litespeedtech.com/store/submitticket.php