[07:17:36] [ServerMain/INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
[07:17:36] [ServerMain/INFO]: Found new data pack file/concreteslabsandstairs-2.zip, loading it automatically
[07:17:39] [ServerMain/WARN]: Failed to load datapacks, can't proceed with server load. You can either fix your datapacks or reset to vanilla with --safeMode
java.util.concurrent.ExecutionException: net.minecraft.ResourceKeyInvalidException: Non [a-z0-9/._-] character in path of location: template:functions/blocks/stairs/$remove.mcfunction
	at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:396) ~[?:?]
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2073) ~[?:?]
	at net.minecraft.server.Main.main(Main.java:242) ~[paper-1.18.2.jar:git-Paper-387]
	at org.bukkit.craftbukkit.Main.main(Main.java:289) ~[paper-1.18.2.jar:git-Paper-387]
	at io.papermc.paperclip.Paperclip.lambda$main$0(Paperclip.java:42) ~[app:?]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: net.minecraft.ResourceKeyInvalidException: Non [a-z0-9/._-] character in path of location: template:functions/blocks/stairs/$remove.mcfunction
	at net.minecraft.resources.ResourceLocation.<init>(ResourceLocation.java:37) ~[?:?]
	at net.minecraft.resources.ResourceLocation.<init>(ResourceLocation.java:46) ~[?:?]
	at net.minecraft.server.packs.FilePackResources.getResources(FilePackResources.java:128) ~[?:?]
	at net.minecraft.server.packs.resources.FallbackResourceManager.listResources(FallbackResourceManager.java:124) ~[?:?]
	at net.minecraft.server.packs.resources.MultiPackResourceManager.listResources(MultiPackResourceManager.java:74) ~[?:?]
	at net.minecraft.server.ServerFunctionLibrary.lambda$reload$2(ServerFunctionLibrary.java:71) ~[?:?]
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
	... 1 more