diff --git a/src/entity/InvalidSkinException.php b/src/entity/InvalidSkinException.php
new file mode 100644
index 000000000..65ad5cf17
--- /dev/null
+++ b/src/entity/InvalidSkinException.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\entity;
+
+final class InvalidSkinException extends \InvalidArgumentException{
+
+}
\ No newline at end of file
diff --git a/src/entity/Skin.php b/src/entity/Skin.php
index 625f9f109..0542bd75a 100644
--- a/src/entity/Skin.php
+++ b/src/entity/Skin.php
@@ -50,20 +50,20 @@ final class Skin{
 
 	public function __construct(string $skinId, string $skinData, string $capeData = "", string $geometryName = "", string $geometryData = ""){
 		if($skinId === ""){
-			throw new \InvalidArgumentException("Skin ID must not be empty");
+			throw new InvalidSkinException("Skin ID must not be empty");
 		}
 		$len = strlen($skinData);
 		if(!in_array($len, self::ACCEPTED_SKIN_SIZES, true)){
-			throw new \InvalidArgumentException("Invalid skin data size $len bytes (allowed sizes: " . implode(", ", self::ACCEPTED_SKIN_SIZES) . ")");
+			throw new InvalidSkinException("Invalid skin data size $len bytes (allowed sizes: " . implode(", ", self::ACCEPTED_SKIN_SIZES) . ")");
 		}
 		if($capeData !== "" and strlen($capeData) !== 8192){
-			throw new \InvalidArgumentException("Invalid cape data size " . strlen($capeData) . " bytes (must be exactly 8192 bytes)");
+			throw new InvalidSkinException("Invalid cape data size " . strlen($capeData) . " bytes (must be exactly 8192 bytes)");
 		}
 
 		if($geometryData !== ""){
 			$decodedGeometry = (new CommentedJsonDecoder())->decode($geometryData);
 			if($decodedGeometry === false){
-				throw new \InvalidArgumentException("Invalid geometry data (" . json_last_error_msg() . ")");
+				throw new InvalidSkinException("Invalid geometry data (" . json_last_error_msg() . ")");
 			}
 
 			/*