What are the main possible reasons for this error? Segmentation fault (core dumped)

Hi,

My pytorch training code stops running without any error and the command prompt shows this: Segmentation fault (core dumped).

I have no idea how to debug this? any suggestions? What are the main reasons for this?

My code is really long and related to my research and I can’t share it here, however, i can share it if someone is willing to take a look into it.

Thanks.