I just made a new modpack, and I have come across an issue when launching. The game starts loading, then just stops 1/4 through without a crash report

I filtered the log to show error messages:

[18:40:26] [main/WARN]:Error loading class: me/jellysquid/mods/sodium/client/render/chunk/compile/pipeline/FluidRenderer (java.lang.ClassNotFoundException: me.jellysquid.mods.sodium.client.render.chunk.compile.pipeline.FluidRenderer)

[18:40:26] [main/WARN]:Error loading class: net/raphimc/immediatelyfast/feature/map_atlas_generation/MapAtlasTexture (java.lang.ClassNotFoundException: net.raphimc.immediatelyfast.feature.map_atlas_generation.MapAtlasTexture)

[18:40:26] [main/WARN]:Error loading class: net/raphimc/immediatelyfast/feature/core/BatchableBufferSource (java.lang.ClassNotFoundException: net.raphimc.immediatelyfast.feature.core.BatchableBufferSource)

[18:40:26] [main/WARN]:Error loading class: me/jellysquid/mods/sodium/client/render/vertex/buffer/SodiumBufferBuilder (java.lang.ClassNotFoundException: me.jellysquid.mods.sodium.client.render.vertex.buffer.SodiumBufferBuilder)

I also dont have the sodium mod in my modpack so I have no clue whats going on

Those are not errors, they are warnings.

Please read the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq/) and post logs as directed there, to an external site, and post links to them here. Please post full logs, as partial logs only tell part of what is going on.