Java Error being spammed in game (1.20.4, fabric, DH 2.0.3)

Trying to test out the new 2.0.3 update but it keeps throwing me an error and won't generate LODs. Eventually, the batch generator shuts itself off. I do have C2ME installed, have changed the 2 setting in the config, but that doesn't seem to do anything.
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Captain Redbeard
Disabling C2ME entirely doesn't do anything either