error file in admin folder

[m107]

 am using WHMCS stable the latest with PHP 7.3 . In my admin folder, there is an error log file which contains about 20 lines of this error:

 

[05-Dec-2020 07:19:24 UTC] [WHMCS Application] ERROR: TypeError: Argument 1 passed to WHMCS\Database\MysqlCompat::setLastStatement() must be an instance of PDOStatement or null, bool given, called in /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Database/MysqlCompat.php on line 0 and defined in /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Database/MysqlCompat.php:0 Stack trace: #0 /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Database/MysqlCompat.php(0): WHMCS\Database\MysqlCompat->setLastStatement(false) #1 /home/XXXXXX/public_html/includes/dbfunctions.php(0): WHMCS\Database\MysqlCompat->mysqlQuery('SELECT tblhosti...', Object(PDO)) #2 /home/XXXXXX/public_html/includes/dbfunctions.php(0): full_query('SELECT tblhosti...', NULL) #3 /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Service.php(0): select_query('tblhosting', 'tblhosting.*,tb...', Array, '', '', '', 'tblproducts ON ...') #4 /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Service.php(0): WHMCS\Service->getServicesData() #5 /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Service.php(0): WHMCS\Service->setServiceID(60132, NULL) #6 /home/XXXXXX/public_html/dm/clientsservices.php(0): WHMCS\Service->__construct(60132) #7 {main} {"exception":"[object] (TypeError(code: 0): Argument 1 passed to WHMCS\\Database\\MysqlCompat::setLastStatement() must be an instance of PDOStatement or null, bool given, called in /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Database/MysqlCompat.php on line 0 at /home/XXXXXX/public_html/vendor/whmcs/whmcs-foundation/lib/Database/MysqlCompat.php:0)"} []