Description: Initializing game

java.lang.RuntimeException: Could not execute entrypoint stage 'main' due to errors, provided by 'fabrically_adds'!
	at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.lambda$invoke0$0(EntrypointUtils.java:51)
	at net.fabricmc.loader.impl.util.ExceptionUtil.gatherExceptions(ExceptionUtil.java:33)
	at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke0(EntrypointUtils.java:49)
	at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke(EntrypointUtils.java:35)
	at net.fabricmc.loader.impl.game.minecraft.Hooks.startClient(Hooks.java:52)
	at net.minecraft.client.MinecraftClient.<init>(MinecraftClient.java:443)
	at net.minecraft.client.main.Main.main(Main.java:198)
	at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:461)
	at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
	at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
	at net.fabricmc.devlaunchinjector.Main.main(Main.java:86)
Caused by: java.lang.ExceptionInInitializerError
	at net.isaacpar.fabrically_adds.item.ModItems.<clinit>(ModItems.java:13)
	at net.isaacpar.fabrically_adds.Fabrically_adds.onInitialize(Fabrically_adds.java:21)
	at net.fabricmc.loader.impl.entrypoint.EntrypointUtils.invoke0(EntrypointUtils.java:47)
	... 8 more
Caused by: net.minecraft.util.InvalidIdentifierException: Non [a-z0-9_.-] character in namespace of location: assets/fabrically_adds:Fabrically Additions
	at net.minecraft.util.Identifier.<init>(Identifier.java:38)
	at net.minecraft.util.Identifier.<init>(Identifier.java:50)
	at net.isaacpar.fabrically_adds.item.ModItemGroups.<clinit>(ModItemGroups.java:11)
	... 11 more