Describe the bug

There seems to be an incompatibility between Alfheim (Alfheim-1.1.1.jar) and Aether II (aether_ii-1.12.2-0.3.0+build411-universal.jar). The game crashes very early on in the load process with a 'java.lang.TypeNotPresentException: Type net.minecraft.world.chunk.Chunk not present' error.

Interestingly enough, the problem does not seem to occur with either Phosphor or Hesperus.

I did look around to see if this issue has already been reported, and did not find any indication that it had been. If it has been, I apologize.

Reproducibility

• I reproduced this issue with as few other mods as possible installed.
• Yes, I am able to reproduce this issue consistently.

To Reproduce

1. Create a clean Minecraft 1.12.2 instance.
2. Add Forge 14.23.5.2859 or 14.23.5.2860.
3. Add the Aether II mod (aether_ii-1.12.2-0.3.0+build411-universal.jar)
4. Add Alfheim (Alfheim-1.1.1.jar, !mixinbooter-8.9.jar, !Red-Core-MC-1.7-1.12-0.5.1.jar)
5. Launch the instance.
6. For me, the game consistently crashes very early on. - During Mod Construction (stage 1/7) of Aether II, I believe.

Expected behavior

The game loads without crashing.

Screenshots or/and videos

Crashes during load - screenshot not helpful.

Logs or/and crash reports

Please use https://mclo.gs/ to upload your logs and crash reports

latest.log: https://mclo.gs/VoRh7R5

I don't think you'll need the crash-report uploaded separately, however, I am happy to provide any additional details you need if I can.

Versions

(As reported in uploaded latest.log line: 437+)

• Minecraft: 1.12.2
• Forge: 14.23.5.2860
• Java: 1.8.0_382, Temurin
• Java JVM: OpenJDK 64-Bit Server VM (mixed mode), Temurin

Specification:

• OS: Windows 10
• CPU: e.g. Ryzen 9 5900HS
• GPU: NVidia RTX 3060
• RAM 12GB

All of these info below are not necessary but may become necessary depending on the issue

I don't think below will be useful. If it is, let me know - I will provide any additional info I can to help.

• CPU Speed: [e.g. 3.80GHz Boost around 4.25Ghz]
• CPU Core: [e.g. 8 (Attention Core not logical core)]
• CPU Threads: [e.g. 16 (Named Logical processors in task manager)]
• RAM Size: [e.g. 32GB]
• RAM Speed: [e.g. 2666MHz]
• Storage Type: [HDD or SSD]
• GPU VRAM: [e.g. 2GB]

Most of these information can be found in the task manager

Additional context

Just, as noted above, the problem occurs with Alfheim, but does not seem to occur with either Phosphor or Hesperus.

Also, thank you so very much for keeping 1.12.2 alive!

I see that is has been reported already on the Aether II bug tracker, but closed as won't fix (1.12.2 unsupported).

try this https://www.curseforge.com/minecraft/mc-mods/the-aether-ii-phosphor-not-included
and close this issue because this is an Aether II issue

I see that is has been reported already on the Aether II bug tracker, but closed as won't fix (1.12.2 unsupported).

It most certainly is! Thank you so much for the link. I do not know how I missed it when looking to see if the fork had been made.