Fehler beim Login in mein Outlook Postfach mittels Mailstor Home: User is authenticated but not connected (BAD)

Hallo, ich bekomme diesen Fehler beim Login über die Anwendung Mailstore Home:

20:58:13.606 [26] INFO: Worker started.

20:58:13.608 [26] INFO: Notify:SetTitle 'Microsoft Outlook.com xxxxxx'

20:58:13.608 [26] INFO: Notify:WriteLine 'Initialisieren...'

20:58:13.608 [26] INFO: Initializing...

20:58:13.630 [26] INFO: Connecting to outlook.office365.com:993, protocol: IMAP-SSL

20:58:13.742 [26] INFO: IMAP command sent: R00001 CAPABILITY

20:58:13.759 [26] INFO: Authenticating user xxxxx with Microsoft Outlook.com.

20:58:14.597 [26] INFO: IMAP command sent: AUTHENTICATE XOAUTH2 **********

20:58:15.860 [26] INFO: The connection has been established/restored.

20:58:15.869 [26] INFO: Retrieving folders

20:58:15.877 [26] INFO: IMAP command sent: R00003 LIST "" "*"

20:58:15.902 [26] EXCEPTION: ImapVirtualConnection.WithConnectionInternal

Rebex.Net.ImapException: User is authenticated but not connected (BAD).

   bei Rebex.Net.Imap.ProcessResponse(String command, ImapResponse response, Boolean throwOnError)

   bei Rebex.Net.Imap.Execute(String command, Object[] parameters)

   bei Rebex.Net.Imap.GetFolderListSync(String folder, ImapFolderListMode mode, Boolean recursive)

   bei 25_4_1_23215_HOME_rfdhewmbsf.<>c.<GetFolders>b__27_0(Imap conn)

   bei 25_4_1_23215_HOME_rfdhewmbra.WithConnectionInternal(Func`2 func, Exception& connectionError)
```20:58:15.902 [26] INFO: Trying to log out

20:58:15.908 [26] INFO: IMAP command sent: R00004 LOGOUT

20:58:15.933 [26] INFO: Closing connection

20:58:15.933 [26] EXCEPTION: Worker has thrown an exception.

```cpp
Rebex.Net.ImapException: User is authenticated but not connected (BAD).

   bei Rebex.Net.Imap.ProcessResponse(String command, ImapResponse response, Boolean throwOnError)

   bei Rebex.Net.Imap.Execute(String command, Object[] parameters)

   bei Rebex.Net.Imap.GetFolderListSync(String folder, ImapFolderListMode mode, Boolean recursive)

   bei 25_4_1_23215_HOME_rfdhewmbsf.<>c.<GetFolders>b__27_0(Imap conn)

   bei 25_4_1_23215_HOME_rfdhewmbra.WithConnectionInternal(Func`2 func, Exception& connectionError)

   bei 25_4_1_23215_HOME_rfdhewmbra.WithConnection[T](Func`2 func)

   bei 25_4_1_23215_HOME_rfdhewmbsf.GetFolders(Action`2 rawFlagsCallback, Boolean autodetectSentItemsFolders)

   bei 25_4_1_23215_HOME_rfdhewmbpv.GetSourceFolders(Boolean withkeys)

   bei 25_4_1_23215_HOME_rfdhewmbnj.CreateMailboxImportWorkerContext()

   bei 25_4_1_23215_HOME_rfdhewmbnd.DoWork()

   bei 25_4_1_23215_HOME_rfdhewmarx.ThreadStart()  
```Hat jemand eine Idee?