because you include Lamb dynamic lights jar it breaks Sodium Dynamic Lights. i took out the jar lamb jar and it works again maybe make a config toggle to include the jar if you have since Lamb dynamic lights id not needed for your mod. fore neoforge. mod vision 5.10.6

i was just about report this issue, though i think the crash cause is on sodium dynamic light's end, because disabling it and using another similar lighting mod stopped the crashing for me. however rolling back Ars Nouveau to 1.21.1-5.10.5 allows for me to run Sodium Dynamic Lights without issue, so i'm not entirely sure what changes could be implemented to make Ars Nouveau work without conflict to either of these mods at the same time. (obviously ya cant run both dynamic lights mods, but simply having one version of ars that works with everybody's choice of lighting mod without conflict is the end result we want here.)

I detected the same issue here. I also use Sodium Dynamic Lights and not Lamb Dynamic Lights. It will be great if newer versions will work again with different Lightning Mods.