when you start a server it will crash before you can join (Also without multicraft)

27.11 19:36:44 [Multicraft] Restarting crashed server in 5 seconds 27.11 19:36:44 [Multicraft] Server shut down (starting) 27.11 19:36:44 [Server] INFO ... 4 more 27.11 19:36:44 [Server] INFO at bix.<init>(SourceFile:34) ~[minecraft_server_snapshot_1.13.jar:?] 27.11 19:36:44 [Server] INFO at java.nio.file.Files.createDirectories(Files.java:767) ~[?:1.8.0_151] 27.11 19:36:44 [Server] INFO at java.nio.file.Files.createAndCheckIsDirectory(Files.java:781) ~[?:1.8.0_151] 27.11 19:36:44 [Server] INFO at java.nio.file.Files.createDirectory(Files.java:674) ~[?:1.8.0_151] 27.11 19:36:44 [Server] INFO at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:384) ~[?:1.8.0_151] 27.11 19:36:44 [Server] INFO at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_151] 27.11 19:36:44 [Server] INFO at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_151] 27.11 19:36:44 [Server] INFO at sun.nio.fs.UnixException.translateToIOException(UnixException.java:84) ~[?:1.8.0_151] 27.11 19:36:44 [Server] INFO Caused by: java.nio.file.AccessDeniedException: /./../backups 27.11 19:36:44 [Server] INFO at net.minecraft.server.MinecraftServer.main(SourceFile:748) [minecraft_server_snapshot_1.13.jar:?] 27.11 19:36:44 [Server] INFO at px.<init>(SourceFile:71) ~[minecraft_server_snapshot_1.13.jar:?] 27.11 19:36:44 [Server] INFO at net.minecraft.server.MinecraftServer.<init>(SourceFile:197) ~[minecraft_server_snapshot_1.13.jar:?] 27.11 19:36:44 [Server] INFO at biu.<init>(SourceFile:38) ~[minecraft_server_snapshot_1.13.jar:?] 27.11 19:36:44 [Server] INFO at bix.<init>(SourceFile:36) ~[minecraft_server_snapshot_1.13.jar:?] 27.11 19:36:44 [Server] INFO java.lang.RuntimeException: java.nio.file.AccessDeniedException: /./../backups 27.11 19:36:44 [Server] main/FATAL Failed to start the minecraft server 27.11 19:36:41 [Multicraft] Updating eula.txt file 27.11 19:36:41 [Multicraft] Loaded config for "-- Minecraft Snapshot 1.13 17w48a (Vanilla)" 27.11 19:36:41 [Multicraft] Starting server! 27.11 19:36:41 [Multicraft] Loading server properties