Problem Server Crashing: Exception in server tick loop

[Kelivas]

OS: Windows 10

Server Host: Shockbyte

Server Version: FTB Infinity Evolved 1.7.10

Server Host Specs: 8GB of RAM, NVMe SSD, Located in USA

No other plugins added.

Server log of crash: https://pastebin.com/KZTyinRx

Full server start log: https://pastebin.com/V91Z4By8

First instance of crashing: https://pastebin.com/unsxx9Dg

Crash log before troubleshooting: https://pastebin.com/RuDZmiC4

Issue description: Server will boot normally until it states it

"Can't revert to frozen GameData state without freezing first"
Associated Error Block: https://pastebin.com/M4peBGZb​

I am unsure if that is the root cause of the crashes, but nothing else was changed for the server before hand.

Troubleshooting steps taken to solve​

• • • Disabled FastCraft Mod (Changed fastcraft-1.23.jar to fastcraft-1.23.jar.disabled)
      • Crash Log after change: https://pastebin.com/dVHK9McB
      • Support article followed: https://forum.feed-the-beast.com/threads/crash-report.164910/
    • Deleted DIM-7 (Twilight Forest) in the World Folder
      • Crash Log after change:
      • Support article followed: https://support.feed-the-beast.com/t/resolved-server-wont-start-exception-in-server-tick-loop/28473

Any feedback is appreciated, and please let me know if I left anything out that might be important to solving this issue. Thank you.