Version 5.0.0 beta 5

applications/gallery/sources/Album/Album.php

@@ -1289,7 +1289,10 @@ class Album extends Model
 
 		if( $lastImage = $this->lastImage() AND !$lastImage->media )
 		{
-			return (string) File::get( 'gallery_Images', $lastImage->$property )->url;
+			if( $lastImage->$property )
+			{
+				return (string) File::get( 'gallery_Images', $lastImage->$property )->url;
+			}
 		}
 
 		return NULL;