[Crash] Crash with Sinytra Connector and Moonlight

[abcdefg700]

Loader and Minecraft version

• NeoForge 21.1.217
• Minecraft 1.21.1

Issue Detail

Crashed in loading

Logs

• latest.log: https://gnomebot.dev/paste/mclogs/mna6Thc
• debug.log head / tail (~41k lines)
• crash-2025-12-29_18.26.36-client.txt: https://gnomebot.dev/paste/mclogs/2oESHzt