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1. Minecraft version: 1.12.2
2. Galacticraft version: 4.0.2.280
3. GalaxySpace version: 2.0.19
4. AsmodeusCore version (for 2.0.1 version and above): 0.0.31
5. Side (Single player (SSP), Multiplayer (SMP), or SSP opened to LAN (LAN)): SSP
6. Other add-ons: BlankPlanet, Interstellar Exoplanets, More Planets, More Planets Extras, Zollern Galaxy, Tinker's Construct

Description of the issue:
The game crashes upon startup, prompting the following message:

The game crashed whilst there was a severe problem during mod loading that has caused the game to fail
Error: net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from GalaxySpace (galaxyspace)

Exit code is -1. I looked through the issues reported on this page to see if anyone had experienced a similar issue, and I found #600, but I am already running the latest version of AsmodeusCore.

Screenshot/Video:

Attached log file (or url on pastebin.com):
https://pastebin.com/D2S9uzA1

Update Galacticraft to 4.0.3:
http://curseforge.com/minecraft/mc-mods/galacticraft-legacy/

Update Galacticraft to 4.0.3: http://curseforge.com/minecraft/mc-mods/galacticraft-legacy/

Wait I'm so confused I have same problem, but shouldn't the latest galacticraft version be from their own site?

Update Galacticraft to 4.0.3: http://curseforge.com/minecraft/mc-mods/galacticraft-legacy/

Wait I'm so confused I have same problem, but shouldn't the latest galacticraft version be from their own site?

They moved to Curseforge:
https://github.com/micdoodle8/Galacticraft

Update Galacticraft to 4.0.3: http://curseforge.com/minecraft/mc-mods/galacticraft-legacy/

Wait I'm so confused I have same problem, but shouldn't the latest galacticraft version be from their own site?

They moved to Curseforge: https://github.com/micdoodle8/Galacticraft

yeah I saw but they should still say something on the official site that has been used for a long while

Thanks for the info! I didn't know galacticraft had moved to one mod on curseforge. I would add some tips here for anyone else having trouble:
Don't forget to delete the old galacticraft and its dependencies.
Delete MicdoodleCore, it is no longer needed.
Make sure to edit the config files for compatibility. Follow this guide to not crash:
https://docs.mjrlegends.com/ExtraPlanets/1.12.2compact/