diff --git a/src/Exception/ExceptionFactory.php b/src/Exception/ExceptionFactory.php
index d78b096..db4c93b 100644
--- a/src/Exception/ExceptionFactory.php
+++ b/src/Exception/ExceptionFactory.php
@@ -30,7 +30,7 @@ public static function create(int $status, string $body = ''): ?Exception
             case Response::HTTP_BAD_REQUEST:
                 $body = json_decode($body, true, 512, JSON_THROW_ON_ERROR);
 
-                return new \RuntimeException("Error: $status; Body: " . $body['message']);
+                return new \RuntimeException("Error: $status; Body: " . self::getErrorMessage($body));
             default:
                 if ($status < 400) {
                     return null;
@@ -39,4 +39,24 @@ public static function create(int $status, string $body = ''): ?Exception
                 return new \RuntimeException("Error: $status; Known body: $body");
         }
     }
+
+    private static function getErrorMessage(mixed $body): string
+    {
+        if (isset($body['message'])) {
+            return $body['message'];
+        }
+
+        if ($body['error']) {
+            return json_encode(
+                [
+                    'error'             => $body['error'],
+                    'error_description' => $body['error_description'],
+                    'hint'              => $body['hint'],
+                ],
+                JSON_THROW_ON_ERROR,
+            );
+        }
+
+        return 'unknown error';
+    }
 }