Fixed EditServer error 500s

src/Discord.Net/API/Messages/Servers.cs

@@ -69,16 +69,16 @@ namespace Discord.API
 	//Edit
 	internal sealed class EditServerRequest
 	{
-		[JsonProperty("name", NullValueHandling = NullValueHandling.Ignore)]
+		[JsonProperty("name")]
 		public string Name;
-		[JsonProperty("region", NullValueHandling = NullValueHandling.Ignore)]
+		[JsonProperty("region")]
 		public string Region;
-		[JsonProperty("icon", NullValueHandling = NullValueHandling.Ignore)]
+		[JsonProperty("icon")]
 		public string Icon;
-		[JsonProperty("afk_channel_id", NullValueHandling = NullValueHandling.Ignore)]
+		[JsonProperty("afk_channel_id")]
 		[JsonConverter(typeof(NullableLongStringConverter))]
 		public ulong? AFKChannelId;
-		[JsonProperty("afk_timeout", NullValueHandling = NullValueHandling.Ignore)]
+		[JsonProperty("afk_timeout")]
 		public int AFKTimeout;
 	}
 	public sealed class EditServerResponse : GuildInfo { }

src/Discord.Net/DiscordAPIClient.cs

@@ -244,17 +244,24 @@ namespace Discord
 		{
 			return _rest.Delete<DeleteServerResponse>(Endpoints.Server(serverId));
 		}
-		public Task<EditServerResponse> EditServer(ulong serverId, string name = null, string region = null, 
-			Stream icon = null, ImageType iconType = ImageType.Png, string existingIcon = null)
-		{
-			var request = new EditServerRequest { Name = name, Region = region, Icon = Base64Picture(icon, iconType, existingIcon) };
+		public Task<EditServerResponse> EditServer(ulong serverId, string name, string region,
+			Stream icon, ImageType iconType, string existingIcon,
+            ulong? afkChannelId, int afkTimeout)
+		{
+			var request = new EditServerRequest {
+                Name = name,
+                Region = region,
+                Icon = Base64Picture(icon, iconType, existingIcon),
+                AFKChannelId = afkChannelId,
+                AFKTimeout = afkTimeout
+            };
 			return _rest.Patch<EditServerResponse>(Endpoints.Server(serverId), request);
 		}
 
 		//User
-		public Task<EditUserResponse> EditProfile(string currentPassword = "",
-			string username = null, string email = null, string password = null,
-			Stream avatar = null, ImageType avatarType = ImageType.Png, string existingAvatar = null)
+		public Task<EditUserResponse> EditProfile(string currentPassword,
+			string username, string email, string password,
+			Stream avatar, ImageType avatarType, string existingAvatar)
 		{
 			if (currentPassword == null) throw new ArgumentNullException(nameof(currentPassword));
 			

src/Discord.Net/DiscordClient.Servers.cs

@@ -99,7 +99,14 @@ namespace Discord
 			if (server == null) throw new ArgumentNullException(nameof(server));
 			CheckReady();
 
-			var response = await _api.EditServer(server.Id, name: name ?? server.Name, region: region, icon: icon, iconType: iconType).ConfigureAwait(false);
+			var response = await _api.EditServer(
+                server.Id, name: name ?? server.Name, 
+                region: region ?? server.Region,
+                icon: icon, 
+                iconType: iconType,
+                existingIcon: server.IconId,
+                afkChannelId: server.AFKChannel?.Id,
+                afkTimeout: server.AFKTimeout).ConfigureAwait(false);
 			server.Update(response);
 		}