Update to 1.18.

src/main/java/com/alttd/afkdectector/command/AFKCheckCommand.java

@@ -36,10 +36,6 @@ public class AFKCheckCommand implements CommandExecutor, TabCompleter {
 			sender.sendMessage(Component.text(command.getUsage(), NamedTextColor.RED));
 			return true;
 		}
-		if (!(target instanceof Audience)) {
-			sender.sendMessage(Component.text(command.getUsage(), NamedTextColor.RED));
-			return true;
-		}
 		MiniMessage miniMessage = MiniMessage.get();
 		target.showTitle(Title.title(miniMessage.parse(Messages.AFKCHECKTITLE.getMessage()),
 				miniMessage.parse(Messages.AFKCHECKSUBTITLE.getMessage())));

src/main/resources/plugin.yml

@@ -1,7 +1,7 @@
 main: com.alttd.afkdectector.AFKDetector
 name: AFKDetector
 version: 2.0
-api-version: 1.16
+api-version: 1.18
 author: Destro174
 
 description: Checks if a player is afk.