diff --git a/src/Common/EntityResolver.php b/src/Common/EntityResolver.php
index 2d27d77..f70b502 100644
--- a/src/Common/EntityResolver.php
+++ b/src/Common/EntityResolver.php
@@ -39,7 +39,7 @@ class EntityResolver {
     public function field($name, $fieldKey = self::KEY_ENTITY_NAME, $throwException = true) : ? array
     {
         try{
-            return $this->fieldList($fieldKey)[$name];
+            return $this->fieldList($fieldKey)[$name] ?? null;
         }
         catch(\Throwable $e) {
             if ( $throwException) {
diff --git a/src/Common/PdoObject.php b/src/Common/PdoObject.php
index e9af73a..94a4208 100644
--- a/src/Common/PdoObject.php
+++ b/src/Common/PdoObject.php
@@ -46,12 +46,13 @@ class PdoObject extends PDO {
                 }
 
                 return $statement;
-            } 
+            }
             else {
                 throw new \PDOException($statement->errorCode() . " - " . json_encode($statement->errorInfo()));
             }
         } catch (\PDOException $e) {
             $this->rollback();
+            
             throw $e;
         }