Caused by: java.lang.IllegalArgumentException: 'offset' can't be negative
at com.dropbox.core.DbxClient.chunkedUploadAppend(DbxClient.java:1046)
at com.dropbox.core.DbxClient.chunkedUploadAppend(DbxClient.java:1012)
at com.dropbox.core.DbxClient.chunkedUploadAppend(DbxClient.java:978)
at ltguide.minebackup.utils.DropBoxUtils.uploadChunked(DropBoxUtils.java:106)
at ltguide.minebackup.utils.DropBoxUtils.upload(DropBoxUtils.java:76)
at ltguide.minebackup.threads.TaskUpload.upload(TaskUpload.java:92)
at ltguide.minebackup.threads.TaskUpload.runQuick(TaskUpload.java:62)
at ltguide.minebackup.threads.TaskUpload.run(TaskUpload.java:47)
at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more