So, everytime I try installing a forge minecraft server (1.12.2, not sure if the other versions are broken too) it gives me a message saying "Invalid E-tag Checksum, Please add the forge launcher manually".
So I do that, I download the forge launcher thingy on their website and put it into my server folder. It goes on and at the end it gives me another message.
And I also found a post from 2016 about the exact same problem, but it was found out that Amazon had a power outage and many programs including forge stopped working because the programs depended on Amazon services. But I have not seen any news about power outages in Amazon so it must be a different problem.
I had a different server that ran the same version of forge so I copied the libraries from there to the new one but that didnt work either.