When I tried to manually accept order on my whmcs, I get the following error
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Whoops\Exception\ErrorException: acceptOrder(): Failed opening required '/home/hostandx/public_html/billing/modules/servers/namecheapssl/namecheapssl.php' (include_path='.:/opt/alt/php72/usr/share/pear') in /home/hostandx/public_html/billing/includes/orderfunctions.php:0
Stack trace:
#0 /home/hostandx/public_html/billing/vendor/whmcs/whmcs-foundation/lib/Utility/Error/Run.php(0): WHMCS\Utility\Error\Run->handleError(64, 'acceptOrder(): ...', '/home/hostandx/...', 0)
#1 [internal function]: WHMCS\Utility\Error\Run->handleShutdown()
#2 {main}
Kindly help me, what should I do.