DaemonUmbra

A couple things wrong here. I'm not 100% sure Forge is fully compatible with OpenJ9, I would recommend only using Oracle Java or OpenJDK. In your crash it is effectively saying that a mod is missing one of its own classes, suggesting the jar is corrupted or otherwise incomplete. Where are you getting your mods and are you sure they were fully downloaded before you moved them into the server? Please provide your debug.log, it has more info than the other logs (more info in my signature).

1.7.10 is no longer supported on this forum due to its age. Please update to a modern version of Minecraft to receive support.

Why do people think it's better to provide a screenshot of a log or crash report rather than providing the text file itself?! Please read the EAQ or my signature and provide the appropriate log in the appropriate manner.

Modern mods don't use manually specified IDs anyway. The point still stands, we don't support versions that old on this forum.

User was banned for using a cracked launcher

1.7.10 is no longer supported on these forums due to its age. Please update to a modern version of Minecraft to receive support.

Forge does not support bungee or any non-Forge server software, if their forge support is falling on its ass I don’t think it’s on Forge to do something.

Looks like you haven’t configured it correctly, judging from the log message.

Update Java

Please provide your installer log

Oh for Pete's sake.... in your class you want a variable that will count up with each tick of your desired type. When this variable reaches n (n being defined by the statement "I want my logic to run every nth tick") run your logic and reset this number to zero. If you cannot construct what you want from this description, I don't know how you expect to be able to make mods.

Please read the EAQ or my signature and post the appropriate log in the appropriate manner. Wait wait, 1.8? Sorry, not supported anymore. Please update to receive support.

Unfortunately no, but having your Proxy be an IProxy and your ClientProxy and ServerProxy implement it is the way to go and anything "Common" goes before the proxy's method is invoked. Your original issue: The strings in clientSide and serverSide are fully qualified references, i.e. the same line/name you would use in an import statement

The correct way to do proxies is an IProxy interface rather than a CommonProxy class

I don't really have a list of tutorials I can personally recommend, but I hear the best ones are text-based rather than videos. I believe MinecraftByExample has been recommended by several people, though the forum thread I linked before should be observed over the tutorial. First, how much Java (or any other programming languages) do you know?

First, Code Style #1 In regard to your actual question: Do you know what you are supposed to specify in clientSide = and serverSide = or are you following a tutorial that says "just do it this way"? In other words, do you know what that is supposed to represent?

I'm afraid I can't think of anything solid, only suspicions of issues that can't easily be fixed, such as I'm wondering if your hardware is fit to run modded Minecraft

Apparently it’s been fixed but the fix hasn’t been in a release yet. https://github.com/TheCBProject/Translocators/issues/53

User was banned for using a cracked launcher.

What version?

That screen means you are missing one or more mods that other mods depend on, in this case Baubles: any version

Do you have an anti-virus running? Has Java been allowed through your firewall?

Has anyone ever told you to install Java by doing more than just running the installer? Have they told you to change settings or files on your computer related to Java?

1.7.10 is no longer supported on this forum due to its age. Please update to a modern version of Minecraft to receive support.

This is not how the forum works, we're here to help you learn, not give you copy-paste material.