Error 500 when view blog post

Hi ,

Could you please fix this problem for me ?
The home page https://tuyentran.me/ is work ok, but when you view post, it return error 500, the return code have cloudflare.
If i remove SSL Cloudflare, these link will work perfectly.

Example:
https://tuyentran.me/posts/react-native-0.59-rc0-is-now-out-with-react-hooks-and-more

A 500 error and there’s nothing in your error logs? There should be something in your logs.