diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RBlockDisplay.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RBlockDisplay.java
index c01fdea2..5f4c4d50 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RBlockDisplay.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RBlockDisplay.java
@@ -1,3 +1,22 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package de.steamwar.entity;
 
 import de.steamwar.Reflection;
@@ -11,6 +30,9 @@ import org.bukkit.entity.EntityType;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
+/**
+ * !! This class cannot be used in Versions lower than or equal to 1.19.4 !!
+ */
 @Getter
 public class RBlockDisplay extends RDisplay {
 
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RDisplay.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RDisplay.java
index 3be30b12..863dc658 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RDisplay.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RDisplay.java
@@ -1,3 +1,22 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package de.steamwar.entity;
 
 import de.steamwar.core.BountifulWrapper;
@@ -16,6 +35,9 @@ import java.util.List;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
+/**
+ * !! This class cannot be used in Versions lower than or equal to 1.19.4 !!
+ */
 @Getter
 public abstract class RDisplay extends REntity {
 
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RItemDisplay.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RItemDisplay.java
index 4ed1a4dc..52cbfc31 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RItemDisplay.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RItemDisplay.java
@@ -1,3 +1,22 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package de.steamwar.entity;
 
 import de.steamwar.core.BountifulWrapper;
@@ -12,6 +31,9 @@ import org.bukkit.inventory.ItemStack;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
+/**
+ * !! This class cannot be used in Versions lower than or equal to 1.19.4 !!
+ */
 @Getter
 public class RItemDisplay extends RDisplay {
 
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RTextDisplay.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RTextDisplay.java
index 3abf9f18..605b6770 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RTextDisplay.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/entity/RTextDisplay.java
@@ -1,3 +1,22 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package de.steamwar.entity;
 
 import de.steamwar.Reflection;
@@ -11,6 +30,9 @@ import org.bukkit.entity.TextDisplay;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 
+/**
+ * !! This class cannot be used in Versions lower than or equal to 1.19.4 !!
+ */
 @Getter
 public class RTextDisplay extends RDisplay {