Restore sql file generates internal server error

It just says internal server error with no number or anything... How do I begin determining what the problem is? Fresh install of OC 3.0.2.0, linux server, php 7.1, no other extensions installed... thanking everyone in advance.

Check the most recent web server access logs from your host console or from your root FTP folder - > access_logs or logs folder. More information is needed.

xx.xxx.xx.xxx - - [15/Feb/2018:16:03:59 -0700] "GET /shop/admin/index.php?route=tool/backup&user_token=rtdLdaJMZxYcu3z31E0slAIlMOieqIsz HTTP/1.1" 200 5536 "http://www.blahblahblah.com/shop/admin/ ... IlMOieqIsz" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36"
xx.xxx.xx.xxx - - [15/Feb/2018:16:04:17 -0700] "POST /shop/admin/index.php?route=tool/backup/import&user_token=rtdLdaJMZxYcu3z31E0slAIlMOieqIsz HTTP/1.1" 500 - "http://www.blahblahblah.com/shop/admin/ ... IlMOieqIsz" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36"

These are the two lines that corespond with what I was doing at that timestamp... substituted IP address with xxx and domain with blahblahblah. thanks again for looking.

At this point, due to a failed import, I would suggest to restore backups.

That's exactly what I tried to do. I attempted to Restore an sql file that was generated with the backup feature that comes with OC and I got the internal server error. thanks anyway.

What I meant is a restoration from a backup done in your host console to recover your database. A real restoration point.