shotwell crashed with SIGSEGV in publishing_rest_support_session_construct()

Bug occurs after I activated piwigo plugin in order to publish Picture on my own piwigo gallery . I activated plugin and tried tu publish one picture then shotwell freezed and crashed.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: shotwell 0.10.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
Uname: Linux 3.0.0-5-generic x86_64
Architecture: amd64
Date: Thu Jul 21 14:58:32 2011
ExecutablePath: /usr/bin/shotwell
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110604)
ProcCmdline: shotwell
ProcEnviron:
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f7d9100e585 <publishing_rest_support_session_construct+69>: mov 0x10(%rax),%rax
 PC (0x7f7d9100e585) ok
 source "0x10(%rax)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: shotwell
StacktraceTop:
 publishing_rest_support_session_construct () from /usr/lib/shotwell/plugins/builtin/shotwell-publishing-extras.so
 publishing_piwigo_session_construct () from /usr/lib/shotwell/plugins/builtin/shotwell-publishing-extras.so
 publishing_piwigo_session_new () from /usr/lib/shotwell/plugins/builtin/shotwell-publishing-extras.so
 publishing_piwigo_piwigo_publisher_construct () from /usr/lib/shotwell/plugins/builtin/shotwell-publishing-extras.so
 publishing_piwigo_piwigo_publisher_new () from /usr/lib/shotwell/plugins/builtin/shotwell-publishing-extras.so
Title: shotwell crashed with SIGSEGV in publishing_rest_support_session_construct()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare