I tried adding the Create (6.0.4) mod to my modpack which causes it to crash before it finishes loading. I tried removing the mod Cold Sweat because the error said it failed to load due to something in Create but when I removed it, it kept crashing; and I also tried downgrading Create, but nothing helped.
I assume there's an incompatible mod that's causing Create to not load correctly, but I can't find it.

launcher_log.txt: https://mclo.gs/kn5Qkk2
debug.log: https://mclo.gs/zIKoAaB
crash report: https://mclo.gs/j86C10Y

The part of debug.log that I think is the crash (after Create mod already loaded incorrectly):

[02May2025 14:52:36.813] [Worker-ResourceReload-2/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/]: Exception caught during firing event: com/simibubi/create/content/redstone/displayLink/DisplayBehaviour
	Index: 3
	Listeners:
		0: NORMAL
		1: net.minecraftforge.eventbus.EventBus$$Lambda$1770/0x00000008009bc8a0@70223c71
		2: ASM: class com.momosoftworks.coldsweat.core.event.PotionRecipes register(Lnet/minecraftforge/fml/event/lifecycle/FMLCommonSetupEvent;)V
		3: ASM: class com.momosoftworks.coldsweat.compat.CompatManager$ModEvents setupModEvents(Lnet/minecraftforge/fml/event/lifecycle/FMLCommonSetupEvent;)V
java.lang.NoClassDefFoundError: com/simibubi/create/content/redstone/displayLink/DisplayBehaviour
	at TRANSFORMER/[email protected]/com.momosoftworks.coldsweat.compat.CompatManager$ModEvents.setupModEvents(CompatManager.java:501)
	at TRANSFORMER/[email protected]/com.momosoftworks.coldsweat.compat.__ModEvents_setupModEvents_FMLCommonSetupEvent.invoke(.dynamic)
	at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73)
	at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:315)
	at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:296)
	at LAYER PLUGIN/[email protected]/net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:121)
	at LAYER PLUGIN/[email protected]/net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:127)
	at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804)
	at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
Caused by: java.lang.ClassNotFoundException: com.simibubi.create.content.redstone.displayLink.DisplayBehaviour
	at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:141)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
	... 14 more

[02May2025 14:52:36.972] [Worker-ResourceReload-2/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Caught exception during event FMLCommonSetupEvent dispatch for modid cold_sweat
java.lang.NoClassDefFoundError: com/simibubi/create/content/redstone/displayLink/DisplayBehaviour
	at com.momosoftworks.coldsweat.compat.CompatManager$ModEvents.setupModEvents(CompatManager.java:501) ~[ColdSweat-2.3.12.jar%23537!/:2.3.12]
	at com.momosoftworks.coldsweat.compat.__ModEvents_setupModEvents_FMLCommonSetupEvent.invoke(.dynamic) ~[ColdSweat-2.3.12.jar%23537!/:2.3.12]
	at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.5.jar%2387!/:?]
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.5.jar%2387!/:?]
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.5.jar%2387!/:?]
	at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:121) ~[javafmllanguage-1.20.1-47.4.0.jar%23784!/:?]
	at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:127) ~[fmlcore-1.20.1-47.4.0.jar%23783!/:?]
	at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?]
	at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?]
	at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?]
	at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?]
Caused by: java.lang.ClassNotFoundException: com.simibubi.create.content.redstone.displayLink.DisplayBehaviour
	at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:141) ~[securejarhandler-2.1.10.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?]
	... 14 more

Update ColdSweat to the latest build:

https://www.curseforge.com/minecraft/mc-mods/cold-sweat/files/6450271

I did that, and then it crashed again, but this time it said something about ComputerCraft; so I disabled that mod and now it works. Thanks for the help!

Same here, I faced it too.