Fatal error: Uncaught ArgumentCountError: mysqli_error() expects exactly 1 argument, 0 given in /homepages/40/d13556673/htdocs/laverda/_laverdaphp/classes/sql.php:126 Stack trace: #0 /homepages/40/d13556673/htdocs/laverda/_laverdaphp/classes/sql.php(126): mysqli_error() #1 /homepages/40/d13556673/htdocs/laverda/_laverdaphp/include/sites/register.php(16): sql->query('SELECT COUNT(*)...') #2 /homepages/40/d13556673/htdocs/laverda/_laverdaphp/register.php(128): include('/homepages/40/d...') #3 {main} thrown in /homepages/40/d13556673/htdocs/laverda/_laverdaphp/classes/sql.php on line 126