System.PlatformNotSupportedException: 'Operation is not supported on this platform.'

Question

.NET core 3.0 when runtime get an System.PlatformNotSupported Exception 'Operation is not supported on this platform.' error

Also im tryed on ubuntu 19.04, same exception

Answer 1

NetCore 3.0 does not support BeginInvoke method

[-] NewMessages?.BeginInvoke(this, response, null, null);

[+] NewMessages?.Invoke(this, response);