Recent content by Scav

This seems to be like your issue. Maybe give this a try: https://forum.feed-the-beast.com/threads/ftb-revelation-server-crashing-on-logon.302711/

The save folders would be wherever you installed FTB at. If the Mac version functions similarly to Windows

The Config file it mentions might be the installer.json file in the Sky Odyssey instance folder since it mentions SHA1

There is a checksum failed error. I kinda understand what checksum is but not enough to give a possible fix. I'll look around and try to find a fix for you

Maybe give methods 1,,2, and 3 a try: https://appuals.com/fix-could-not-create-the-java-virtual-machine/#:~:text=Java%20global%20maximum%20heap%20memory,set%20as%20the%20System%20Variable.

I believe this is a Java version error. What Java version do you have installed?

There is an issue with opening the jar files. It sees the Jar but is unable to open it to read the data which is causing the problem. Do you have 7zip or any program able to open .jar files?

Maybe delete Optifine and see if it makes a difference

The issue is a null pointer exception tied to a ender chest. How to fix this, I don't know unfortunately

Do you know what java version you have installed?

That Launcher is fine, I have just never used it before is all.

This sounds like you are using the FTB classic launcher. Click on the options tab and go to the advanced options button at the bottom and make sure to check "Extra Launcher Debugging" this should give us a better idea of what might be causing it to fail. I haven't used this launcher before so...

So you have installed the FTB App and a modpack but when you click play on the FTB App modpack it gives you an error? What is the error exactly? Try to quote the error

It seems the problem resides with the p455w0rdslib mod's shader function. You will need to disable the shaders in that mod. What modpack are you using?

It appears to be an error with the MineTogether mod but more accurately the Server side MineTogether mod hosted by Creeperhost. The easy fix is to delete the MineTogether mod and maybe reinstall it if you want. The other fix is to get in contact with the MineTogether mod Developer and bring this...