diff --git a/Examples/WinForms_app.zip b/Examples/WinForms_app.zip
index e7cbfb3..35c9bc3 100644
Binary files a/Examples/WinForms_app.zip and b/Examples/WinForms_app.zip differ
diff --git a/FAQ.md b/FAQ.md
index 0b15489..371e88b 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -100,6 +100,7 @@ You can get these kind of problems if you abuse Telegram [Terms of Service](http
 
 You can try to wait more between the requests, wait for a day or two to see if the requests become possible again.  
 >ℹ️ For FLOOD_WAIT_X with X < 60 seconds (see `client.FloodRetryThreshold`), WTelegramClient will automatically wait the specified delay and retry the request for you.
+For longer delays, you can catch the thrown `RpcException` and check the value of property X.
 
 An account that was restricted due to reported spam might receive PEER_FLOOD errors. Read [Telegram Spam FAQ](https://telegram.org/faq_spam) to learn more.
 
diff --git a/src/TL.Helpers.cs b/src/TL.Helpers.cs
index 62b2c53..e8ad355 100644
--- a/src/TL.Helpers.cs
+++ b/src/TL.Helpers.cs
@@ -298,7 +298,7 @@ namespace TL
 		}
 	}
 
-	partial class Contacts_Blocked				{ public IPeerInfo UserOrChat(PeerBlocked peer) => peer.peer_id.UserOrChat(users, chats); }
+	partial class Contacts_Blocked				{ public IPeerInfo UserOrChat(PeerBlocked peer) => peer.peer_id?.UserOrChat(users, chats); }
 	partial class Messages_DialogsBase			{ public IPeerInfo UserOrChat(DialogBase dialog) => UserOrChat(dialog.Peer);
 												  public abstract int TotalCount { get; } }
 	partial class Messages_Dialogs				{ public override int TotalCount => dialogs.Length; }
@@ -437,7 +437,7 @@ namespace TL
 
 	partial class Contacts_ResolvedPeer
 	{
-		public static implicit operator InputPeer(Contacts_ResolvedPeer resolved) => resolved.UserOrChat.ToInputPeer();
+		public static implicit operator InputPeer(Contacts_ResolvedPeer resolved) => resolved?.UserOrChat.ToInputPeer();
 		/// <returns>A <see cref="TL.User"/>, or <see langword="null"/> if the username was for a channel</returns>
 		public User User => peer is PeerUser pu ? users[pu.user_id] : null;
 		/// <returns>A <see cref="Channel"/> or <see cref="ChannelForbidden"/>, or <see langword="null"/> if the username was for a user</returns>
@@ -493,7 +493,7 @@ namespace TL
 	partial class ChannelParticipantBanned	{ public override long UserID => peer is PeerUser pu ? pu.user_id : 0; }
 	partial class ChannelParticipantLeft	{ public override long UserID => peer is PeerUser pu ? pu.user_id : 0; }
 
-	partial class Messages_PeerDialogs { public IPeerInfo UserOrChat(DialogBase dialog) => dialog.Peer.UserOrChat(users, chats); }
+	partial class Messages_PeerDialogs { public IPeerInfo UserOrChat(DialogBase dialog) => dialog.Peer?.UserOrChat(users, chats); }
 
 	partial class WebDocument { public static implicit operator InputWebFileLocation(WebDocument doc) => new() { url = doc.url, access_hash = doc.access_hash }; }