Fatal error: Uncaught TypeError: Argument 1 passed to PhpMyAdmin\DatabaseInterface::escapeString() must be of the type string, null given, called in /opt/lampp/phpmyadmin/libraries/classes/Server/Privileges.php on line 557 and defined in /opt/lampp/phpmyadmin/libraries/classes/DatabaseInterface.php:2991 Stack trace: #0 /opt/lampp/phpmyadmin/libraries/classes/Server/Privileges.php(557): PhpMyAdmin\DatabaseInterface->escapeString(NULL) #1 /opt/lampp/phpmyadmin/libraries/classes/Server/Privileges.php(697): PhpMyAdmin\Server\Privileges->getSqlQueryForDisplayPrivTable('*', '*', 'system user', NULL) #2 /opt/lampp/phpmyadmin/libraries/classes/Server/Privileges.php(5075): PhpMyAdmin\Server\Privileges->getHtmlToDisplayPrivilegesTable('*', '*') #3 /opt/lampp/phpmyadmin/server_privileges.php(489): PhpMyAdmin\Server\Privileges->getHtmlForUserProperties('', '', 'system user', '', '', '') #4 {main} thrown in /opt/lampp/phpmyadmin/libraries/classes/DatabaseInterface.php on line 2991