ErpNext Internal Server Error

I’m use server on digitalocean ubunto , and install erpNext on ubunto, But this error is displayed on the browser
(Internal Server Error)
how to fixed this problem

something went wrong during installation.
there are hundreds of possible reasons.

What is the best way to solve this problem?

look at your installation logs

Try to execute one of the following commands:

bench update --patch
bench update --requirements