Use mvfsstorage to determine where the cleartext container for element plasma.h should exist.
/usr/atria/etc/mvfsstorage plasma.h
/net/silver/usr2/jay/thevob.vbs/c/cdft/25/1/74f200647f5711d0a0b5000180716611
Shows MVFS believes a container exists.
Possible the container is inaccessible from where the operation is done.
Possible that the MVFS cache is inaccurate.