Fix mistake

Author: entrypointkr

src/main/java/kr/rvs/chplus/CHPlus.java

@@ -11,7 +11,7 @@
  */
 @MSExtension("CHPlus")
 public class CHPlus extends AbstractExtension {
-    public static final Version BUKKIT_VERSION = new SimpleVersion(Bukkit.getVersion());
+    public static final Version BUKKIT_VERSION = new SimpleVersion(Bukkit.getBukkitVersion());
     public static final Version V1_12 = new SimpleVersion(1, 12, 0);
     public static final byte CHAT_TYPE_SYSTEM = 2;
     public static final byte CHAT_TYPE_GAME_INFO = 2;

src/main/java/kr/rvs/chplus/util/Packets.java

@@ -36,7 +36,7 @@ public static PacketContainer createChatPacket(WrappedChatComponent component, b
             StructureModifier components = packet.getSpecificModifier(chatTypeClass);
 
             try {
-                Method findByByte = chatTypeClass.getMethod("a");
+                Method findByByte = chatTypeClass.getMethod("a", byte.class);
                 components.write(0, findByByte.invoke(null, type));
             } catch (Exception e) {
                 // Ignore
@@ -56,7 +56,9 @@ public static PacketContainer createTitlePacket(EnumWrappers.TitleAction action,
                 .createPacket(PacketType.Play.Server.TITLE);
 
         packet.getTitleActions().write(0, action);
-        packet.getChatComponents().write(0, WrappedChatComponent.fromText(content));
+        if (content != null) {
+            packet.getChatComponents().write(0, WrappedChatComponent.fromText(content));
+        }
 
         StructureModifier<Integer> modifier = packet.getIntegers();
         modifier.write(0, fadeIn);