Minecraft server keeps crashing? - 1

I have a server (on my PC with port sharing) and it keeps crashing:

Here is the log:

[I don't know how to insert it that's why drive link]

https://drive.google.com/...sp=sharing

If you have no idea about servers and mods and can't speak English, you should skip it or learn everything first.

In your log there are so many errors, warnings, they can't all be listed.

Find the errors and warnings and fix the errors. Google helps with that.