Warning: mysqli_connect(): (HY000/1040): Too many connections in C:\inetpub\wwwroot\rentalads.com\assets\includes\connection.php on line 2

Fatal error: Uncaught Error: Call to undefined function mysql_error() in C:\inetpub\wwwroot\rentalads.com\assets\includes\connection.php:4 Stack trace: #0 C:\inetpub\wwwroot\rentalads.com\property-page.php(63): include_once() #1 {main} thrown in C:\inetpub\wwwroot\rentalads.com\assets\includes\connection.php on line 4