my server keeps going into hibernation mode when i add plugins

[kermit_door]

so i was starting a new PVP server and when i started to add plugs and started the server, it keeps giving me errors that i have no idea what it means, i tried looking it up and fixing it myself, nothing. someone please help. error message: 

[00:10:09 ERROR]: Encountered an unexpected exception

java.lang.NullPointerException: Cannot invoke "java.io.File.toPath()" because the return value of "org.bukkit.craftbukkit.v1_17_R1.CraftServer.getWorldContainer()" is null

	at net.minecraft.server.MinecraftServer.loadWorld(MinecraftServer.java:608) ~[patched_1.17.1.jar:git-Paper-411]

	at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:317) ~[patched_1.17.1.jar:git-Paper-411]

	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1220) ~[patched_1.17.1.jar:git-Paper-411]

	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[patched_1.17.1.jar:git-Paper-411]

	at java.lang.Thread.run(Thread.java:833) ~[?:?]