Status code is not being received in backend php agent and rum js agent

,

i am using php agent at backend in WordPress as in my functions.php i have loaded the and added some labels on transactions nothing else. then i have added the rum js script tags in header of the WordPress and used labels to add label to transaction.

but i can see the transaction.result: 4xx

but status code is not received at all in any type of the request. and even the frontend rum js .