Rudder

I tried to look to a deleted history file and got:

java.io.FileNotFoundException: /var/rudder/inventories/historical/729be5c4-55a2-4b97-8529-5154cbb63a18/2014-03-21_17:57.57.486 (Aucun fichier ou dossier de ce type)
    at java.io.FileInputStream.open0(FileInputStream.java)
    at java.io.FileInputStream.open(FileInputStream.java:195)
    at java.io.FileInputStream.<init>(FileInputStream.java:138)
    at com.unboundid.ldif.LDIFReader.<init>(LDIFReader.java:320)
    at com.normation.inventory.ldap.core.FullInventoryFileMarshalling.fromFile(InventoryHistoryLogRepository.scala:62)
    at com.normation.history.impl.FileHistoryLogRepository.$anonfun$get$3(FileHistoryLogRepository.scala:185)
    at net.liftweb.common.Full.flatMap(Box.scala:808)
    at com.normation.history.impl.FileHistoryLogRepository.$anonfun$get$1(FileHistoryLogRepository.scala:184)

I should have had a nice message.
I was in 4.1-beta but there is a lot of change it happens also in 3.1.