General Discussion

Yeah your computer isn't using Java 8 to run Forge, you have three choices: You can uninstall all other versions of Java except for 8 (judging from what you said about needing Java for a class I don't think you'll be doing this) You can add the bin folder of the Java 8 installation to your PATH (Could work but if your class expects you to run Java utilities from the newer JDK this could pose an issue) You can specify the full path to the Java 8 java.exe instead of just invoking "java" and relying on your PATH

Evidently you have an invalidly sized font or something, try removing faithful

No, just run the installer

You can get the inventory of an EntityPlayer object, check through it for your ItemStacks, check if they're large enough, and, if those checks are passed, shrink the stacks by your amounts.

I made an RLCraft server. When my friend and I want to join the server, he gets this error: Failed to login: Invalid session And when I want to join, this happens: Fatally missing registry entries Also this is the log: https://pastebin.com/tktDBuUV What should i do in order to resolve this problem Thanks