Case added for protectorate.

src/engine/net/client/handlers/BreakFealtyHandler.java

@@ -26,6 +26,7 @@ import engine.net.client.msg.guild.SendGuildEntryMsg;
 import engine.objects.*;
 import engine.server.world.WorldServer;
 import engine.session.Session;
+import org.pmw.tinylog.Logger;
 
 import java.util.ArrayList;
 
@@ -92,6 +93,9 @@ public class BreakFealtyHandler extends AbstractClientMsgHandler {
                     GuildManager.updateAllGuildTags(protectorate);
                     GuildManager.updateAllGuildBinds(protectorate, protectorate.getOwnedCity());
                     break;
+                default:
+                    Logger.error("Unhandled guild state");
+                    break;
             }
 
             protectorate.downgradeGuildState();