Replaced print_error and return with a fail_with

modules/exploits/multi/php/wordpress_duplicator.rb

@@ -98,12 +98,10 @@ class MetasploitModule < Msf::Exploit::Remote
       if response && response.code == 200
         print_status("Successfully created the wp-config.php file!")
       else
-        print_error("The archive file #{archive_name} was probably deleted.")
-        return
+        fail_with(Failure::Unknown, "The archive file #{archive_name} was probably deleted.")
       end
     else
-      print_error("Failed to retrieve the archive name, cannot create the wp-config.php file")
-      return
+      fail_with(Failure::NotFound, "Failed to retrieve the archive name, cannot create the wp-config.php file.")
     end
   end