Обновил немного.

.gitignore

@@ -0,0 +1,3 @@
+target/
+.idea/*
+.idea/

pom.xml

@@ -6,14 +6,14 @@
 
     <groupId>ru.rey</groupId>
     <artifactId>rHideTags</artifactId>
-    <version>1.0</version>
+    <version>1.1.1</version>
     <packaging>jar</packaging>
 
     <name>rHideTags</name>
 
     <description>Plugin to hide players nametags</description>
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>17</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
     <url>https://vk.com/re1khsempai</url>
@@ -57,20 +57,16 @@
 
     <repositories>
         <repository>
-            <id>spigotmc-repo</id>
-            <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
-        </repository>
-        <repository>
-            <id>sonatype</id>
-            <url>https://oss.sonatype.org/content/groups/public/</url>
+            <id>papermc-repo</id>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
         </repository>
     </repositories>
 
     <dependencies>
         <dependency>
-            <groupId>org.spigotmc</groupId>
-            <artifactId>spigot-api</artifactId>
-            <version>1.15.2-R0.1-SNAPSHOT</version>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.20.1-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>

src/main/java/ru/rey/rhidetags/Core.java

@@ -1,70 +1,50 @@
 package ru.rey.rhidetags;
 
-import net.md_5.bungee.api.ChatMessageType;
-import net.md_5.bungee.api.chat.TextComponent;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.event.player.PlayerInteractAtEntityEvent;
-import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.scoreboard.Scoreboard;
 import org.bukkit.scoreboard.Team;
+import ru.rey.rhidetags.listeners.PlayerInteract;
+import ru.rey.rhidetags.listeners.PlayerJoin;
 
-public final class Core extends JavaPlugin implements Listener {
-
-    private Scoreboard board;
-    private Team team;
-
-    private String message;
+public final class Core extends JavaPlugin {
+    public static Scoreboard board;
+    private static Team team;
+    public static String message;
 
     @Override
     public void onEnable() {
-        getConfig().options().copyDefaults(true);
-        saveDefaultConfig();
+        this.getConfig().options().copyDefaults(true);
+        this.saveDefaultConfig();
 
         message = getConfig().getString("message");
 
-        boardSettings();
+        this.boardSettings();
 
-        Bukkit.getPluginManager().registerEvents(this, this);
+        this.getServer().getPluginManager().registerEvents(new PlayerInteract(), this);
+        this.getServer().getPluginManager().registerEvents(new PlayerJoin(), this);
 
-        if (!Bukkit.getOnlinePlayers().isEmpty())
-            Bukkit.getOnlinePlayers().forEach(p -> hideName(p));
+        if (!this.getServer().getOnlinePlayers().isEmpty()) this.getServer().getOnlinePlayers().forEach(Core::hideName);
 
-        Bukkit.getConsoleSender().sendMessage("");
-        Bukkit.getConsoleSender().sendMessage("§6rHideTags §f| §aSuccessfully enabled");
-        Bukkit.getConsoleSender().sendMessage("§6rHideTags §f| §aBy: §fvk.com/omashune");
-        Bukkit.getConsoleSender().sendMessage("");
+        this.getLogger().info("");
+        this.getLogger().info("\033[38;5;220mrHideTags \033[38;5;231m| \033[38;5;118mSuccessfully enabled\033[0m");
+        this.getLogger().info("\033[38;5;220mrHideTags \033[38;5;231m| \033[38;5;118mBy: \033[38;5;231mvk.com/omashune\033[0m");
+        this.getLogger().info("");
     }
 
-    @EventHandler
-    public void onJoin(PlayerJoinEvent e) {
-        hideName(e.getPlayer());
-    }
-
-    @EventHandler
-    public void onInteract(PlayerInteractAtEntityEvent e) {
-        if (!(e.getRightClicked() instanceof Player)) return;
-
-        e.getPlayer().spigot().sendMessage(ChatMessageType.ACTION_BAR,
-                TextComponent.fromLegacyText(message.replace("$name", ((Player) e.getRightClicked()).getDisplayName())));
-    }
-
-    private void hideName(Player p) {
+    public static void hideName(Player p) {
         team.addEntry(p.getName());
         p.setScoreboard(board);
     }
 
     private void boardSettings() {
         board = Bukkit.getScoreboardManager().getNewScoreboard();
-        board.registerNewTeam("rHideTags");
-
-        team = board.getTeam("rHideTags");
+        board.registerNewTeam("hidenametags");
 
+        team = board.getTeam("hidenametags");
+        if(team == null) return;
         team.setOption(Team.Option.NAME_TAG_VISIBILITY, Team.OptionStatus.NEVER);
         team.setCanSeeFriendlyInvisibles(false);
     }
-
 }

src/main/java/ru/rey/rhidetags/listeners/PlayerInteract.java

@@ -0,0 +1,32 @@
+package ru.rey.rhidetags.listeners;
+
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerInteractAtEntityEvent;
+import org.bukkit.potion.PotionEffectType;
+import ru.rey.rhidetags.Core;
+
+import java.util.Arrays;
+import java.util.Objects;
+
+public class PlayerInteract implements Listener {
+    @EventHandler
+    public void onInteract(PlayerInteractAtEntityEvent event) {
+        if (!(event.getRightClicked() instanceof Player) ||
+                (((Player) event.getRightClicked()).getActivePotionEffects().stream().anyMatch( // конструкция для выявления
+                        potion -> potion.getType().equals(PotionEffectType.INVISIBILITY)        // в инвизе ли игрок
+                ) && Arrays.stream(((Player) event.getRightClicked()).getEquipment().getArmorContents()).noneMatch(
+                        Objects::nonNull
+                ) && !event.getPlayer().isOp())
+        ) return;
+
+        event.getPlayer().sendActionBar(
+                LegacyComponentSerializer.legacySection().deserialize(
+                        Core.message.replace("$name", ((TextComponent) ((Player) event.getRightClicked()).displayName()).content())
+                )
+        );
+    }
+}

src/main/java/ru/rey/rhidetags/listeners/PlayerJoin.java

@@ -0,0 +1,13 @@
+package ru.rey.rhidetags.listeners;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import ru.rey.rhidetags.Core;
+
+public class PlayerJoin implements Listener {
+    @EventHandler
+    public void onJoin(PlayerJoinEvent event) {
+        Core.hideName(event.getPlayer());
+    }
+}

src/main/resources/plugin.yml

@@ -1,7 +1,7 @@
 name: rHideTags
 version: ${project.version}
 main: ru.rey.rhidetags.Core
-api-version: 1.13
+api-version: 1.20
 authors: [Rey]
 description: Plugin to hide players nametags
 website: https://vk.com/re1khsempai