I was checking my logs because of sudden lag and noticed this :
It keeps repeating through most of the log. (I was just testing so this was with the begginning inventory)

[00:39:59] [Render thread/ERROR]: Exception caught during firing event: No value present
Index: 14
Listeners:
0: HIGHEST
1: ASM: class me.srrapero720.embeddiumplus.foundation.fps.DebugOverlayEvent onRenderOverlayItem(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
2: NORMAL
3: ASM: class quek.undergarden.client.UndergardenClient$ForgeBusEvents dontRenderJumpBarForDweller(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
4: ASM: INSTANCE onRenderHUD(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
5: ASM: class net.mcreator.unusualend.PotionEffectHud$ForgeBusEvents renderOverlay(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
6: ASM: class ru.xishnikus.thedawnera.client.event.ClientEventListener onPreRenderGui(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
7: ASM: class com.aetherteam.aether.client.event.listeners.WorldPreviewListener onRenderOverlay(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
8: ASM: class com.hollingsworth.arsnouveau.common.camera.ClientCameraEvents onGuiOpen(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
9: ASM: class com.hollingsworth.arsnouveau.client.events.ClientEvents overlayEvent(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
10: ASM: class com.tacz.guns.client.event.RenderCrosshairEvent onRenderOverlay(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
11: ASM: class com.tacz.guns.client.event.PreventsHotbarEvent onRenderHotbarEvent(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
12: ASM: com.aizistral.enigmaticlegacy.handlers.EnigmaticEventHandler@540cc1d onOverlayRender(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
13: ASM: class com.teamabnormals.upgrade_aquatic.client.renderer.RenderOverlays renderScuteOverAir(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
14: ASM: class wayoftime.bloodmagic.client.hud.ElementRegistry onRenderOverlay(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
15: net.minecraftforge.eventbus.EventBus$$Lambda$1760/0x00000008008f5338@7228936e
16: net.minecraftforge.eventbus.EventBus$$Lambda$1760/0x00000008008f5338@15fd671e
17: net.minecraftforge.eventbus.EventBus$$Lambda$1760/0x00000008008f5338@73c3e24b
18: net.minecraftforge.eventbus.EventBus$$Lambda$1760/0x00000008008f5338@718f09b5
19: net.minecraftforge.eventbus.EventBus$$Lambda$1760/0x00000008008f5338@470a4709
20: ASM: class twilightforest.client.TFClientEvents preOverlay(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
21: ASM: class net.mehvahdjukaar.supplementaries.common.events.forge.ClientEventsForge onRenderGuiOverlayPre(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
22: net.minecraftforge.eventbus.EventBus$$Lambda$1760/0x00000008008f5338@39b10d61
23: ASM: squeek.appleskin.client.HUDOverlayHandler@7a1baa2e onRenderGuiOverlayPre(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
24: ASM: de.teamlapen.vampirism.client.gui.overlay.VampirismHUDOverlay@6add202d onRenderFoodBar(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
25: ASM: de.teamlapen.vampirism.client.gui.overlay.VampirismHUDOverlay@6add202d onRenderCrosshair(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
26: ASM: de.teamlapen.vampirism.client.gui.overlay.VampirismHUDOverlay@6add202d onRenderHealthBarPre(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
27: ASM: class com.legacy.lost_aether.event.LCClientEvents renderOverlayPre(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
28: ASM: com.github.alexmodguy.alexscaves.client.event.ClientEvents@7bb0e0ef onPreRenderGuiOverlay(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
29: ASM: class com.gitsh01.libertyvillagers.forge.LibertyVillagersClientInitializerForge onRenderOverlay(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent;)V
30: LOW
31: ASM: slimeknights.mantle.client.ExtraHeartRenderHandler@5d669cbd renderHealthbar(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
32: ASM: net.orcinus.galosphere.client.gui.SpectreOverlay@6f58fcb onPreRender(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
33: ASM: net.orcinus.galosphere.client.gui.SpectatorVisionOverlay@44ebc4a6 onPreRender(Lnet/minecraftforge/client/event/RenderGuiOverlayEvent$Pre;)V
java.util.NoSuchElementException: No value present
at java.base/java.util.Optional.get(Optional.java:143)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.compat.CuriosCompat.getCuriosInventory(CuriosCompat.java:26)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.compat.CuriosCompat.lambda$registerInventory$0(CuriosCompat.java:20)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.util.helper.InventoryHelper.lambda$getActiveInventories$2(InventoryHelper.java:75)
at java.base/java.util.HashMap.forEach(HashMap.java:1421)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.util.helper.InventoryHelper.getActiveInventories(InventoryHelper.java:75)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.util.Utils.canPlayerSeeDemonWill(Utils.java:576)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.client.hud.element.ElementDemonAura.shouldRender(ElementDemonAura.java:78)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.client.hud.ElementRegistry.onRenderOverlay(ElementRegistry.java:140)
at TRANSFORMER/[email protected]/wayoftime.bloodmagic.client.hud.ElementRegistry_onRenderOverlay_Pre.invoke(.dynamic)
at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73)
at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:315)
at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:296)
at TRANSFORMER/[email protected]/net.minecraftforge.client.gui.overlay.ForgeGui.pre(ForgeGui.java:643)
at TRANSFORMER/[email protected]/net.minecraftforge.client.gui.overlay.ForgeGui.lambda$render$0(ForgeGui.java:125)
at MC-BOOTSTRAP/[email protected]/com.google.common.collect.ImmutableList.forEach(ImmutableList.java:422)
at TRANSFORMER/[email protected]/net.minecraftforge.client.gui.overlay.ForgeGui.m_280421(ForgeGui.java:121)
at TRANSFORMER/[email protected]/net.minecraft.client.renderer.GameRenderer.m_109093(GameRenderer.java:945)
at TRANSFORMER/[email protected]/net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1146)
at TRANSFORMER/[email protected]/net.minecraft.client.Minecraft.m_91374_(Minecraft.java:718)
at TRANSFORMER/[email protected]/net.minecraft.client.main.Main.main(Main.java:218)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at MC-BOOTSTRAP/[email protected]/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.runTarget(CommonLaunchHandler.java:111)
at MC-BOOTSTRAP/[email protected]/net.minecraftforge.fml.loading.targets.CommonLaunchHandler.clientService(CommonLaunchHandler.java:99)
at MC-BOOTSTRAP/[email protected]/net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$makeService$0(CommonClientLaunchHandler.java:25)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.run(Launcher.java:108)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.Launcher.main(Launcher.java:78)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26)
at MC-BOOTSTRAP/[email protected]/cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23)
at [email protected]/cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141)