diff --git a/src/data/bedrock/block/BlockStateDeserializeException.php b/src/data/bedrock/block/BlockStateDeserializeException.php
index fbe0186ef..fe6b42a7f 100644
--- a/src/data/bedrock/block/BlockStateDeserializeException.php
+++ b/src/data/bedrock/block/BlockStateDeserializeException.php
@@ -23,6 +23,6 @@ declare(strict_types=1);
 
 namespace pocketmine\data\bedrock\block;
 
-final class BlockStateDeserializeException extends \RuntimeException{
+class BlockStateDeserializeException extends \RuntimeException{
 
 }
diff --git a/src/data/bedrock/block/convert/BlockStateToBlockObjectDeserializer.php b/src/data/bedrock/block/convert/BlockStateToBlockObjectDeserializer.php
index 8c3110355..1cece6403 100644
--- a/src/data/bedrock/block/convert/BlockStateToBlockObjectDeserializer.php
+++ b/src/data/bedrock/block/convert/BlockStateToBlockObjectDeserializer.php
@@ -2534,7 +2534,7 @@ final class BlockStateToBlockObjectDeserializer implements BlockStateDeserialize
 	public function deserializeBlock(BlockStateData $blockStateData) : Block{
 		$id = $blockStateData->getName();
 		if(!array_key_exists($id, $this->deserializeFuncs)){
-			throw new BlockStateDeserializeException("Unknown block ID \"$id\"");
+			throw new UnsupportedBlockStateException("Unknown block ID \"$id\"");
 		}
 		$reader = new Reader($blockStateData);
 		$block = $this->deserializeFuncs[$id]($reader);
diff --git a/src/data/bedrock/block/convert/UnsupportedBlockStateException.php b/src/data/bedrock/block/convert/UnsupportedBlockStateException.php
new file mode 100644
index 000000000..5350f45cf
--- /dev/null
+++ b/src/data/bedrock/block/convert/UnsupportedBlockStateException.php
@@ -0,0 +1,30 @@
+<?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\data\bedrock\block\convert;
+
+use pocketmine\data\bedrock\block\BlockStateDeserializeException;
+
+final class UnsupportedBlockStateException extends BlockStateDeserializeException{
+
+}