diff --git a/src/data/bedrock/item/upgrade/ItemDataUpgrader.php b/src/data/bedrock/item/upgrade/ItemDataUpgrader.php
index defaed6a3..f37bc7f8e 100644
--- a/src/data/bedrock/item/upgrade/ItemDataUpgrader.php
+++ b/src/data/bedrock/item/upgrade/ItemDataUpgrader.php
@@ -64,10 +64,10 @@ final class ItemDataUpgrader{
 	}
 
 	public function addIdMetaUpgradeSchema(ItemIdMetaUpgradeSchema $schema) : void{
-		if(isset($this->idMetaUpgradeSchemas[$schema->getPriority()])){
-			throw new \InvalidArgumentException("Already have a schema with priority " . $schema->getPriority());
+		if(isset($this->idMetaUpgradeSchemas[$schema->getSchemaId()])){
+			throw new \InvalidArgumentException("Already have a schema with priority " . $schema->getSchemaId());
 		}
-		$this->idMetaUpgradeSchemas[$schema->getPriority()] = $schema;
+		$this->idMetaUpgradeSchemas[$schema->getSchemaId()] = $schema;
 		ksort($this->idMetaUpgradeSchemas, SORT_NUMERIC);
 	}
 
diff --git a/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchema.php b/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchema.php
index e88111ef2..8a271e430 100644
--- a/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchema.php
+++ b/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchema.php
@@ -36,10 +36,10 @@ final class ItemIdMetaUpgradeSchema{
 	public function __construct(
 		private array $renamedIds,
 		private array $remappedMetas,
-		private int $priority
+		private int $schemaId
 	){}
 
-	public function getPriority() : int{ return $this->priority; }
+	public function getSchemaId() : int{ return $this->schemaId; }
 
 	public function renameId(string $id) : ?string{
 		return $this->renamedIds[mb_strtolower($id, 'US-ASCII')] ?? null;
diff --git a/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchemaUtils.php b/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchemaUtils.php
index 6aade2eaa..ef1543a80 100644
--- a/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchemaUtils.php
+++ b/src/data/bedrock/item/upgrade/ItemIdMetaUpgradeSchemaUtils.php
@@ -39,7 +39,7 @@ final class ItemIdMetaUpgradeSchemaUtils{
 	 * @return ItemIdMetaUpgradeSchema[]
 	 * @phpstan-return array<int, ItemIdMetaUpgradeSchema>
 	 */
-	public static function loadSchemas(string $path) : array{
+	public static function loadSchemas(string $path, int $maxSchemaId) : array{
 		$iterator = new \RegexIterator(
 			new \FilesystemIterator(
 				$path,
@@ -55,26 +55,29 @@ final class ItemIdMetaUpgradeSchemaUtils{
 		/** @var string[] $matches */
 		foreach($iterator as $matches){
 			$filename = $matches[0];
-			$priority = (int) $matches[1];
+			$schemaId = (int) $matches[1];
+			if($schemaId > $maxSchemaId){
+				continue;
+			}
 
 			$fullPath = Path::join($path, $filename);
 
 			$raw = Filesystem::fileGetContents($fullPath);
 
 			try{
-				$schema = self::loadSchemaFromString($raw, $priority);
+				$schema = self::loadSchemaFromString($raw, $schemaId);
 			}catch(\RuntimeException $e){
 				throw new \RuntimeException("Loading schema file $fullPath: " . $e->getMessage(), 0, $e);
 			}
 
-			$result[$priority] = $schema;
+			$result[$schemaId] = $schema;
 		}
 
 		ksort($result, SORT_NUMERIC);
 		return $result;
 	}
 
-	public static function loadSchemaFromString(string $raw, int $priority) : ItemIdMetaUpgradeSchema{
+	public static function loadSchemaFromString(string $raw, int $schemaId) : ItemIdMetaUpgradeSchema{
 		try{
 			$json = json_decode($raw, false, flags: JSON_THROW_ON_ERROR);
 		}catch(\JsonException $e){
@@ -91,6 +94,6 @@ final class ItemIdMetaUpgradeSchemaUtils{
 			throw new \RuntimeException($e->getMessage(), 0, $e);
 		}
 
-		return new ItemIdMetaUpgradeSchema($model->renamedIds, $model->remappedMetas, $priority);
+		return new ItemIdMetaUpgradeSchema($model->renamedIds, $model->remappedMetas, $schemaId);
 	}
 }
diff --git a/src/world/format/io/GlobalItemDataHandlers.php b/src/world/format/io/GlobalItemDataHandlers.php
index dab291b58..d7530113a 100644
--- a/src/world/format/io/GlobalItemDataHandlers.php
+++ b/src/world/format/io/GlobalItemDataHandlers.php
@@ -33,6 +33,7 @@ use Symfony\Component\Filesystem\Path;
 use const pocketmine\BEDROCK_ITEM_UPGRADE_SCHEMA_PATH;
 
 final class GlobalItemDataHandlers{
+	public const MAX_ITEM_ID_UPGRADE_SCHEMA_ID = 81; //0081_1.18.30_to_1.19.30.34_beta.json
 
 	private static ?ItemSerializer $itemSerializer = null;
 
@@ -53,7 +54,7 @@ final class GlobalItemDataHandlers{
 			LegacyItemIdToStringIdMap::getInstance(),
 			R12ItemIdToBlockIdMap::getInstance(),
 			GlobalBlockStateHandlers::getUpgrader(),
-			ItemIdMetaUpgradeSchemaUtils::loadSchemas(Path::join(BEDROCK_ITEM_UPGRADE_SCHEMA_PATH, 'id_meta_upgrade_schema'))
+			ItemIdMetaUpgradeSchemaUtils::loadSchemas(Path::join(BEDROCK_ITEM_UPGRADE_SCHEMA_PATH, 'id_meta_upgrade_schema'), self::MAX_ITEM_ID_UPGRADE_SCHEMA_ID)
 		);
 	}
 }