Players kicked from server on backup failure

[ghost]

I have an enigmatica8 server running and anyone connected to the server when a ftbbackup is attempted, the console outputs an error and the players get disconnected

Mar 30 12:00:00 enigmatica8 bash[321]: [12:00:00] [ftbbackups2_Worker-1/INFO] [ne.cr.ft.FTBBackups/]: Attempting to create an automatic backup
Mar 30 12:00:00 enigmatica8 bash[321]: [12:00:00] [ftbbackups2_Worker-1/INFO] [ne.cr.ft.FTBBackups/]: Found world folder at /home/minecraft/./world/.
Mar 30 12:00:00 enigmatica8 bash[321]: java.lang.NullPointerException: Cannot read the array length because "files" is null
Mar 30 12:00:00 enigmatica8 bash[321]:         at TRANSFORMER/ftbbackups2@1.0.18/net.creeperhost.ftbbackups.utils.FileUtils.getFolderSize(FileUtils.java:84)
Mar 30 12:00:00 enigmatica8 bash[321]:         at TRANSFORMER/ftbbackups2@1.0.18/net.creeperhost.ftbbackups.BackupHandler.canCreateBackup(BackupHandler.java:471)
Mar 30 12:00:00 enigmatica8 bash[321]:         at TRANSFORMER/ftbbackups2@1.0.18/net.creeperhost.ftbbackups.BackupHandler.createBackup(BackupHandler.java:196)
Mar 30 12:00:00 enigmatica8 bash[321]:         at TRANSFORMER/ftbbackups2@1.0.18/net.creeperhost.ftbbackups.BackupHandler.createBackup(BackupHandler.java:176)
Mar 30 12:00:00 enigmatica8 bash[321]:         at TRANSFORMER/ftbbackups2@1.0.18/net.creeperhost.ftbbackups.FTBBackups$BackupJob.execute(FTBBackups.java:147)
Mar 30 12:00:00 enigmatica8 bash[321]:         at TRANSFORMER/ftbbackups2@1.0.18/net.creeperhost.ftbbackups.org.quartz.core.JobRunShell.run(JobRunShell.java:206)
Mar 30 12:00:00 enigmatica8 bash[321]:         at TRANSFORMER/ftbbackups2@1.0.18/net.creeperhost.ftbbackups.org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:548)

How do i go about fixing this error? The directory its searching is correct and im not sure how to tell if something inside the world folder is causing the issue?

[gigabit101]

Fixed in 1.0.19