and this
[18:32:17 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-239]
at net.minecraft.server.dedicated.DedicatedServer.init(DedicatedServer.java:306) ~[patched_1.17.1.jar:git-Paper-239]
at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1212) ~[patched_1.17.1.jar:git-Paper-239]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[patched_1.17.1.jar:git-Paper-239]
at java.lang.Thread.run(Thread.java:831) [?:?]
[18:32:18 ERROR]: This crash report has been saved to: /home/minecraft/server/./crash-reports/crash-2021-09-05_18.32.18-server.txt