src/main/java/pl/sloudpl/sloudchat/events/onPlayerChat1_16.java

@@ -26,7 +26,7 @@ public class onPlayerChat1_16 implements Listener {
 
         if(!plugin.isChatEnabled && !player.hasPermission("sloudpl.chat.bypass")){
 
-            player.sendMessage(ColorUtils.convertHexColors(ChatColor.translateAlternateColorCodes('&', plugin.getConfig().getString("disabled-chat-msg"))));
+            player.sendMessage(ChatColor.translateAlternateColorCodes('&', plugin.getConfig().getString("disabled-chat-msg")));
             event.setCancelled(true);
             return;
 

src/main/resources/plugin.yml

@@ -2,7 +2,7 @@ name: SloudChat
 version: '${project.version}'
 main: pl.sloudpl.sloudchat.SloudChat
 authors: [SloudPL]
-api-version: '1.13'
+api-version: '1.18'
 softdepend:
   - LuckPerms
   - PlaceholderAPI