Exception calling "Create" with "1" argument(s): "Create failed for Login 'bilal'. "

$server="WIN-SH7H3HP7KMISQL2014"
 $User="bilal"
 $password="test"

if(!($svr.Logins.Contains($User)))
    {

    $login = New-Object -TypeName Microsoft.SqlServer.Management.Smo.Login -ArgumentList $server, $User
    $login.LoginType = [Microsoft.SqlServer.Management.Smo.LoginType]::SqlLogin
    $login.PasswordExpirationEnabled = $false
    $login.Create($password)
    Write-Host("Login $loginName created successfully.")


    }