[12Oct2021 21:00:00.999] [Render thread/WARN] [net.minecraft.loot.LootTableManager/]: Found validation problem in {dungeons_arise:chests/campsite_tent}.pools[6].entries[0]->{minecraft:chests/pillager_outpost}.pools[8].entries[0].functions[2]: Parameters [] are not provided in this context
[12Oct2021 21:00:01.000] [Render thread/WARN] [net.minecraft.loot.LootTableManager/]: Found validation problem in {dungeons_arise:chests/illager_campsite/illager_campsite_map}.pools[7].entries[0]->{minecraft:chests/pillager_outpost}.pools[8].entries[0].functions[2]: Parameters [] are not provided in this context
[12Oct2021 21:00:01.000] [Render thread/WARN] [net.minecraft.loot.LootTableManager/]: Found validation problem in {comfortable_nether:entities/netherite_golem}.pools[2].entries[0].functions[1]: Parameters [] are not provided in this context
[12Oct2021 21:00:01.003] [Render thread/INFO] [placebo/]: Registered 4 additional loot tables.
[12Oct2021 21:00:01.070] [Render thread/WARN] [net.minecraft.client.Minecraft/]: Failed to load datapacks, can't proceed with server load
java.util.concurrent.ExecutionException: net.minecraft.util.ResourceLocationException: Non [a-z0-9_.-] character in namespace of location: #gildedarmor:enderite_helmet
at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) ~[?:1.8.0_242]
at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908) ~[?:1.8.0_242]
at net.minecraft.client.Minecraft.func_238189_a_(Minecraft.java:1864) ~[?:?]
at net.minecraft.client.Minecraft.loadWorld(Minecraft.java:1712) ~[?:?]
at net.minecraft.client.Minecraft.func_238192_a_(Minecraft.java:1685) ~[?:?]
at net.minecraft.client.gui.screen.CreateWorldScreen.func_195352_j(CreateWorldScreen.java:260) ~[?:?]
at net.minecraft.client.gui.screen.CreateWorldScreen.lambda$init$11(CreateWorldScreen.java:205) ~[?:?]
at net.minecraft.client.gui.widget.button.Button.func_230930_b_(SourceFile:33) ~[?:?]
at net.minecraft.client.gui.widget.button.AbstractButton.func_230982_a_(SourceFile:16) ~[?:?]
at net.minecraft.client.gui.widget.Widget.func_231044_a_(Widget.java:136) ~[?:?]
at net.minecraft.client.gui.INestedGuiEventHandler.func_231044_a_(SourceFile:27) ~[?:?]
at net.minecraft.client.MouseHelper.func_198033_b(MouseHelper.java:87) ~[?:?]
at net.minecraft.client.gui.screen.Screen.func_231153_a_(Screen.java:427) ~[?:?]
at net.minecraft.client.MouseHelper.func_198023_a(MouseHelper.java:85) ~[?:?]
at net.minecraft.client.MouseHelper.func_228030_c_(MouseHelper.java:181) ~[?:?]
at net.minecraft.util.concurrent.ThreadTaskExecutor.execute(SourceFile:94) ~[?:?]
at net.minecraft.client.MouseHelper.func_228028_b_(MouseHelper.java:180) ~[?:?]
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) ~[lwjgl-glfw-3.2.2.jar:build 10]
at org.lwjgl.system.JNI.invokeV(Native Method) ~[lwjgl-3.2.2.jar:build 10]
at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) ~[lwjgl-glfw-3.2.2.jar:build 10]
at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:127) ~[?:?]
at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:999) ~[?:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:607) ~[?:?]
at net.minecraft.client.main.Main.main(Main.java:184) ~[1.16.5.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_242]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_242]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_242]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_242]
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) ~[forge-1.16.5-36.2.6.jar:36.2]
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?]
at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?]
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?]
Caused by: net.minecraft.util.ResourceLocationException: Non [a-z0-9_.-] character in namespace of location: #gildedarmor:enderite_helmet
at net.minecraft.util.ResourceLocation.(ResourceLocation.java:31) ~[?:?]
at net.minecraft.util.ResourceLocation.(ResourceLocation.java:38) ~[?:?]
at net.minecraft.advancements.criterion.ItemPredicate.func_192492_a(ItemPredicate.java:131) ~[?:?]
at net.minecraft.advancements.criterion.ItemPredicate.func_192494_b(ItemPredicate.java:205) ~[?:?]
at shadows.apotheosis.advancements.ExtendedInvTrigger.func_230241_b_(ExtendedInvTrigger.java:35) ~[apotheosis:4.8.1]
at shadows.apotheosis.advancements.ExtendedInvTrigger.func_230241_b_(ExtendedInvTrigger.java:27) ~[apotheosis:4.8.1]
at net.minecraft.advancements.criterion.AbstractCriterionTrigger.func_230307_a_(SourceFile:46) ~[?:?]
at net.minecraft.advancements.criterion.AbstractCriterionTrigger.func_230307_a_(SourceFile:17) ~[?:?]
at net.minecraft.advancements.Criterion.func_232633_a_(SourceFile:36) ~[?:?]
at net.minecraft.advancements.Criterion.func_232634_b_(SourceFile:47) ~[?:?]
at net.minecraft.advancements.Advancement$Builder.func_241043_a_(Advancement.java:316) ~[?:?]
at net.minecraft.advancements.AdvancementManager.func_240923_a_(AdvancementManager.java:38) ~[?:?]
at java.util.HashMap.forEach(HashMap.java:1289) ~[?:1.8.0_242]
at net.minecraft.advancements.AdvancementManager.func_212853_a_(AdvancementManager.java:35) ~[?:?]
at net.minecraft.advancements.AdvancementManager.func_212853_a_(AdvancementManager.java:22) ~[?:?]
at net.minecraft.client.resources.ReloadListener.func_215269_a(SourceFile:13) ~[?:?]
at java.util.concurrent.CompletableFuture.uniAccept(CompletableFuture.java:670) ~[?:1.8.0_242]
at java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:646) ~[?:1.8.0_242]
at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) ~[?:1.8.0_242]
at net.minecraft.resources.AsyncReloader.func_219557_a(SourceFile:71) ~[?:?]
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213166_h(SourceFile:144) ~[?:?]
at net.minecraft.util.concurrent.RecursiveEventLoop.func_213166_h(SourceFile:23) ~[?:?]
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213168_p(SourceFile:118) ~[?:?]
at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213161_c(SourceFile:127) ~[?:?]
at net.minecraft.client.Minecraft.func_238189_a_(Minecraft.java:1863) ~[?:?]
... 31 more

This occurs in Gilded Armor 1.16.5 Version 1.1.4.