Need help with 'java.lang.NullPointerException' issue on server

Good morning lovely people. We are getting an exception on our server/multiplayer console which is causing DH to not work correctly. (LODs are not being sent to the client from server) We have distant generation enabled on our client side.

It was working when we first started the server 2 days ago but now its throwing a 'java.lang.NullPointerException' on the console as of yesterday. We are on Minecraft version 1.21.1 (fabric) using the 'DistantHorizons-fabric 2.3.3-b-dev-1.21.1 jar' from the NightlyBuild_1.21.1-1b9d14e7-2025-06-17T07_15_36-05_00.zip folder from the links & downloads channel.

Here is a recent log of the exceptions/errors:
https://mclo.gs/xStQRTe

Here are the mods we are currently using (Server is hosted on modrinth):
cloth-config-15.0.140-fabric.jar
DistantHorizons-fabric-2.3.3-b-dev-1.21.1.jar
dungeons-and-taverns-v4.4.4 (1).jar
EasyShulkerBoxes-v21.1.2-1.21.1-Fabric.jar
fabric-api-0.116.2+1.21.1.jar
fabric-seasons-2.4.2-BETA+1.21.jar
FallingTree-1.21.1-1.21.1.9.jar
ForgeConfigAPIPort-v21.1.3-1.21.1-Fabric.jar
guardvillagers-2.1.2-1.21.jar
HorseBuff-1.21-2.1.8.jar
HorseExpert-v21.1.0-1.21.1-Fabric.jar
immersive-winds-1.21.1-0.8.jar
leafmealone-1.0.1.jar
lithium-fabric-0.15.0+mc1.21.1.jar
noisium-fabric-2.3.0+mc1.21-1.21.1.jar
PuzzlesLib-v21.1.36-1.21.1-Fabric.jar

Let me know if you need additional info. Thank you!
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