diff --git a/lib/classes/API/V1/adapter.class.php b/lib/classes/API/V1/adapter.class.php
index aaa64d6bed..2a931888ec 100644
--- a/lib/classes/API/V1/adapter.class.php
+++ b/lib/classes/API/V1/adapter.class.php
@@ -1926,9 +1926,9 @@ class API_V1_adapter extends API_V1_Abstract
     {
         $ret = array(
             'id'               => $databox_field->get_id(),
-            'namespace'        => $databox_field->get_metadata_namespace(),
-            'source'           => $databox_field->get_metadata_source(),
-            'tagname'          => $databox_field->get_metadata_tagname(),
+            'namespace'        => $databox_field->get_tag()->getGroupName(),
+            'source'           => $databox_field->get_tag()->getTagname(),
+            'tagname'          => $databox_field->get_tag()->getName(),
             'name'             => $databox_field->get_name(),
             'separator'        => $databox_field->get_separator(),
             'thesaurus_branch' => $databox_field->get_tbranch(),
diff --git a/lib/classes/API/V1/result.class.php b/lib/classes/API/V1/result.class.php
index 4852b34d68..b7da890ab6 100644
--- a/lib/classes/API/V1/result.class.php
+++ b/lib/classes/API/V1/result.class.php
@@ -295,33 +295,33 @@ class API_V1_result
         switch ($code = (int) $code) {
             case 400:
                 $this->http_code = $code;
-                $this->error_message = self::ERROR_BAD_REQUEST;
-                $this->error_details = API_V1_exception_badrequest::get_details();
+                $this->error_type = self::ERROR_BAD_REQUEST;
+                $this->error_message = API_V1_exception_badrequest::get_details();
                 break;
             case 401:
                 $this->http_code = $code;
-                $this->error_message = self::ERROR_UNAUTHORIZED;
-                $this->error_details = API_V1_exception_unauthorized::get_details();
+                $this->error_type = self::ERROR_UNAUTHORIZED;
+                $this->error_message = API_V1_exception_unauthorized::get_details();
                 break;
             case 403:
                 $this->http_code = $code;
-                $this->error_message = self::ERROR_FORBIDDEN;
-                $this->error_details = API_V1_exception_forbidden::get_details();
+                $this->error_type = self::ERROR_FORBIDDEN;
+                $this->error_message = API_V1_exception_forbidden::get_details();
                 break;
             case 404:
                 $this->http_code = $code;
-                $this->error_message = self::ERROR_NOTFOUND;
-                $this->error_details = API_V1_exception_notfound::get_details();
+                $this->error_type = self::ERROR_NOTFOUND;
+                $this->error_message = API_V1_exception_notfound::get_details();
                 break;
             case 405:
                 $this->http_code = $code;
-                $this->error_message = self::ERROR_METHODNOTALLOWED;
-                $this->error_details = API_V1_exception_methodnotallowed::get_details();
+                $this->error_type = self::ERROR_METHODNOTALLOWED;
+                $this->error_message = API_V1_exception_methodnotallowed::get_details();
                 break;
             case 500:
                 $this->http_code = $code;
-                $this->error_message = self::ERROR_INTERNALSERVERERROR;
-                $this->error_details = API_V1_exception_internalservererror::get_details();
+                $this->error_type = self::ERROR_INTERNALSERVERERROR;
+                $this->error_message = API_V1_exception_internalservererror::get_details();
                 break;
         }