error to archivie project if is present the noise00001.mlt

If i generate a noise clip and i include it in the project i do not archivie the project, a advice message report 'one missed clip named $HOME/<producer>'
The project that have the noise clip .mlt included is instable sometime.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: kdenlive 0.9.6-5ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
Uname: Linux 3.13.0-34-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Aug 25 20:56:21 2014
ExecutablePath: /usr/bin/kdenlive
InstallationDate: Installed on 2014-04-26 (121 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
ProcEnviron:
 LANGUAGE=it
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SourcePackage: kdenlive
UpgradeStatus: No upgrade log present (probably fresh install)