ERROR Cannot download Hybrid Renderer from Package Manager

Console report:
Cannot perform upm operation: Unable to add package [com.unity.rendering.hybrid@0.1.1-preview]:
Cannot connect to ‘undefined’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set. [NotFound]
UnityEditor.EditorApplication:Internal_CallUpdateFunctions()

upm.log:
[2019-11-11T03:31:32.071Z][INFO] Starting Server
[2019-11-11T03:31:32.076Z][INFO] Server started on port [53565]
[2019-11-11T03:31:32.209Z][INFO] Health Request received
[2019-11-11T03:31:43.194Z][WARN] Failed to determine if package ‘com.unity.formats.fbx@2.0.1-preview.3’ is compatible with Unity version ‘2019.3.0b8’: Error: ‘2018.3.2018.3.4f1’ is not a valid Unity version
[2019-11-11T03:31:43.709Z][WARN] Failed to determine if package ‘com.unity.formats.fbx@2.0.1-preview.3’ is compatible with Unity version ‘2019.3.0b8’: Error: ‘2018.3.2018.3.4f1’ is not a valid Unity version

Editor.log:
Adding genesis user token gyuKIx2JgmvJpBH_1kBqzv_oXyJLGJ3L36k1T1jnTBA00bf[Package Manager] Unable to add package [com.unity.rendering.hybrid@0.1.1-preview]:
Cannot connect to ‘undefined’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
Cannot perform upm operation: Unable to add package [com.unity.rendering.hybrid@0.1.1-preview]:
Cannot connect to ‘undefined’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set. [NotFound]
UnityEngine.DebugLogHandler:Internal_Log(LogType, LogOption, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[ ])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:LogError(Object)
UnityEditor.PackageManager.UI.UpmBaseOperation1:OnError(Error) UnityEditor.PackageManager.UI.UpmBaseOperation1:Progress()
System.Reflection.MonoMethod:InternalInvoke(Object, Object[ ], Exception&)
System.Reflection.MonoMethod:Invoke(Object, BindingFlags, Binder, Object[ ], CultureInfo)
System.Reflection.MethodBase:Invoke(Object, Object[ ])
System.Delegate:smile:ynamicInvokeImpl(Object[ ])
System.MulticastDelegate:smile:ynamicInvokeImpl(Object[ ])
System.Delegate:smile:ynamicInvoke(Object[ ])
UnityEditor.EditorApplication:Internal_CallUpdateFunctions()
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)

Error adding package: com.unity.rendering.hybrid@0.1.1-preview.
UnityEngine.DebugLogHandler:Internal_Log(LogType, LogOption, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[ ])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:LogError(Object)
UnityEditor.PackageManager.UI.UpmClientInternal:b__60_0(Error)
UnityEditor.PackageManager.UI.UpmBaseOperation1:OnError(Error) UnityEditor.PackageManager.UI.UpmBaseOperation1:Progress()
System.Reflection.MonoMethod:InternalInvoke(Object, Object[ ], Exception&)
System.Reflection.MonoMethod:Invoke(Object, BindingFlags, Binder, Object[ ], CultureInfo)
System.Reflection.MethodBase:Invoke(Object, Object[ ])
System.Delegate:smile:ynamicInvokeImpl(Object[ ])
System.MulticastDelegate:smile:ynamicInvokeImpl(Object[ ])
System.Delegate:smile:ynamicInvoke(Object[ ])
UnityEditor.EditorApplication:Internal_CallUpdateFunctions()
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)

@yangrp

Sorry for the inconvenience, this issue seems to be related to b8 only. Can you try with latest beta 2019.3.0b10?

Regards,
EmmanuelH

@yangrp

Can you send me the Editor.log file ?

Hum… it s now working for me on b8.
Can you retry?

Regards,
EmmanuelH