Problem with plugins and Skyfactory 3

I'm pretty new to aternos and I find it great for providing free minecraft servers. However, I recently downloading Skyfactory 3 and noticed that veinminer was not there. Since having it would benefit me a lot, I tried adding the plugin. I downloaded the one NOT for bukkit, and when I start my server it doesn't work. When I start it, the server just says "starting", but after a while it stops and says "offline". What can I do to help this?

https://mclo.gs/BAuiwUr-my server log if anybody cares to look into it

At this point, I've been through the queue 3 times and it still doesn't let me. This time, I removed the plugin and all 3 times it still doesn't work.