Here is the full crash report:
// Surprise! Haha. Well, this is awkward.

Time: 7/22/20 9:47 PM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Quark (quark)
Caused by: java.lang.NoSuchMethodError: p455w0rdslib.proxy.CommonProxy.areShadersEnabled()Z
at p455w0rd.ae2wtlib.init.LibApiImpl$WTConfigImpl.areShadersEnabled(LibApiImpl.java:554)
at p455w0rd.ae2wtlib.init.LibEvents.attachCapabilities(LibEvents.java:70)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_414_LibEvents_attachCapabilities_AttachCapabilitiesEvent.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:691)
at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:655)
at net.minecraft.tileentity.TileEntity.(TileEntity.java:478)
at net.minecraft.tileentity.TileEntityLockable.(TileEntityLockable.java:10)
at net.minecraft.tileentity.TileEntityLockableLoot.(TileEntityLockableLoot.java:16)
at net.minecraft.tileentity.TileEntityShulkerBox.(TileEntityShulkerBox.java:51)
at net.minecraft.client.renderer.tileentity.TileEntityItemStackRenderer.(TileEntityItemStackRenderer.java:132)
at vazkii.quark.decoration.feature.VariedChests.preInitClient(VariedChests.java:192)
at java.util.ArrayList.forEach(Unknown Source)
at vazkii.quark.base.module.Module.forEachEnabled(Module.java:209)
at vazkii.quark.base.module.Module.preInitClient(Module.java:167)
at java.util.ArrayList.forEach(Unknown Source)
at vazkii.quark.base.module.ModuleLoader.forEachEnabled(ModuleLoader.java:193)
at vazkii.quark.base.module.ModuleLoader.preInitClient(ModuleLoader.java:124)
at vazkii.quark.base.proxy.ClientProxy.preInit(ClientProxy.java:48)
at vazkii.quark.base.Quark.preInit(Quark.java:44)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:637)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
at com.google.common.eventbus.EventBus.post(EventBus.java:217)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:629)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:467)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

Fixed