Because NFS returns errors that do not have corresponding meaning in V+ some NFS errors are reported as a variable NFS error. Errors in this range have the following interpretation: V+ error number -(1200+n) corresponds to NFS error code n. Following are the currently known NFS error codes that are reported in this way: NFS Error Message Codes Code n Explanation 19 No such device. 30 Read-only file system. A write operation was attempted on a read-only file system. 69 Disk quota exceeded. The client's disk quota on the server has been exceeded. 99 The server's write cache used in the WRITECACHE call was flushed to disk.