DaemonUmbra

That's not debug.log...

First image shows that you have 32-Bit Java installed when you should have 64-Bit instead, second shows that the phantom server I mentioned is still running... you'll have to close it with task manager

Delete C:\Users\NUNYA\AppData\Roaming\.minecraft\config\fml.toml

Java... not javaw... you just created a phantom server with no interface

Please provide debug.log (more info on where it is and how to provide it in my signature below, just expand the spoiler)

Show a screenshot of the folder and show the output of trying to run the server from the command line

Access denied means either another program is exerting control over the files, or you've screwed up your file permissions in some way... Do you have OneDrive? That Windows bloatware is known to cause issues with a lot of things.

That's not debug.log...

Mods are not executable, they are libraries... also yes, Syric's questions as well

What happens if you type the commands manually instead of using a bat file?

Show a screenshot of your server folder

For some reason Forge thinks you're connecting to a Vanilla server

Try installing it somewhere other than directly onto your desktop... even a folder ON the desktop would be better

That sounds like one of the files used by the installer got corrupted during download, go to your temp folder and delete any folders starting with forge_installer

Please provide debug.log (more info on where it is and how to provide it in my signature below, just expand the spoiler)

Please provide debug.log (more info on where it is and how to provide it in my signature below, just expand the spoiler)

Why is it forgeserver.jar? Did you rename it?

Why is it called forgeserver.jar? Why did you rename it?

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

Please provide debug.log (more info on where it is and how to provide it in my signature below, just expand the spoiler)

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.12 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

1.7 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support.

Did you forget to put Crayfish's Vehicle mod on your server?