mate panel crashed. not sure what happend. after logging in, the crash happend.

[majid hussain]

after logging in, te panel crashed.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: mate-panel 1.8.1+dfsg1-3
ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
Uname: Linux 3.19.0-10-generic i686
ApportVersion: 2.17-0ubuntu1
Architecture: i386
CurrentDesktop: MATE
Date: Mon Apr 6 19:27:36 2015
ExecutablePath: /usr/bin/mate-panel
InstallationDate: Installed on 2015-04-06 (0 days ago)
InstallationMedia: Ubuntu-MATE 15.04 "Vivid Vervet" - Beta i386 (20150326)
ProcCmdline: mate-panel
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SegvAnalysis: Skipped: missing required field "Disassembly"
Signal: 11
SourcePackage: mate-panel
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1425341, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.