my site using catch box theme not works well

Hi everybody

i need help cause of my site using catch box theme not works well

The post show well on front page : https://vietlawyer.net/

but when i clicked on the post to view full post, it doesn’t show up

you can give a check here :

https://vietlawyer.net/nghi-dinh-602009nd-cp-xu-phat-hanh-chinh-trong-linh-vuc-tu-phap/

this problem happened many times on my sites with serveral post . But not all the post won’t show. still have some post show well like this post :

https://vietlawyer.net/real-estate-lawyers-vietnam/

please let me know if you got the same problem and solved it

i use godaddy hosting and installed all new update of theme and plugin …

many thanks