There are several reports in the forums of this shfs error causing /mnt/user to go away:   May 14 14:06:42 Tower shfs: shfs: ../lib/fuse.c:1451: unlink_node: Assertion `node->nlookup > 1' failed.   Rebooting will fix it, until it happens again, I remember seeing at least 5 or 6 different users with the same issue in the last couple of months, it was reported here that it's possibly this issue:   https://github.com/libfuse/libfuse/issues/128   Attached d