mysqli object is already closed (500 Whoops, looks like something went wrong.)

Error

HTTP 500 Whoops, looks like something went wrong.

mysqli object is already closed

Exception

Error

in /home/u205232623/domains/cryptohubmalta.ai/public_html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php (line 367)
  1.      */
  2.     public function disconnect()
  3.     {
  4.         // Close the connection.
  5.         if (\is_callable([$this->connection, 'close'])) {
  6.             $this->connection->close();
  7.         }
  9.         parent::disconnect();
  10.     }
in /home/u205232623/domains/cryptohubmalta.ai/public_html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php -> close (line 367)
  1.      */
  2.     public function disconnect()
  3.     {
  4.         // Close the connection.
  5.         if (\is_callable([$this->connection, 'close'])) {
  6.             $this->connection->close();
  7.         }
  9.         parent::disconnect();
  10.     }
in /home/u205232623/domains/cryptohubmalta.ai/public_html/libraries/vendor/joomla/database/src/DatabaseDriver.php -> disconnect (line 496)
  1.      *
  2.      * @since   2.0.0
  3.      */
  4.     public function __destruct()
  5.     {
  6.         $this->disconnect();
  7.     }
  9.     /**
  10.      * Alter database's character set.
  11.      *
DatabaseDriver->__destruct()

Stack Trace

Error 
Error:
mysqli object is already closed

  at /home/u205232623/domains/cryptohubmalta.ai/public_html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:367
  at mysqli->close()
     (/home/u205232623/domains/cryptohubmalta.ai/public_html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:367)
  at Joomla\Database\Mysqli\MysqliDriver->disconnect()
     (/home/u205232623/domains/cryptohubmalta.ai/public_html/libraries/vendor/joomla/database/src/DatabaseDriver.php:496)
  at Joomla\Database\DatabaseDriver->__destruct()