diff --git a/src/pmf/Level.php b/src/pmf/Level.php
index c1daf68e0..13072d15c 100644
--- a/src/pmf/Level.php
+++ b/src/pmf/Level.php
@@ -193,6 +193,8 @@ class PMFLevel extends PMF{
 		$Z = (int) $Z;
 		if($this->isChunkLoaded($X, $Z)){
 			return true;
+		}elseif(!isset($this->locationTable[$index])){
+			return false;
 		}
 		$index = $this->getIndex($X, $Z);
 		$info = $this->locationTable[$index];
diff --git a/src/world/Entity.php b/src/world/Entity.php
index 86af7a78a..fb9b146c3 100644
--- a/src/world/Entity.php
+++ b/src/world/Entity.php
@@ -118,7 +118,7 @@ class Entity extends Position{
 				$this->setHealth($this->health, "generic");
 				break;
 			case ENTITY_ITEM:
-				if($data["item"] instanceof Item){
+				if(isset($data["item"]) and ($data["item"] instanceof Item)){
 					$this->meta = $this->data["item"]->getMetadata();
 					$this->stack = $this->data["item"]->count;			
 				}else{