package runit 2.1.1-6.2ubuntu2.1 failed to install/upgrade: ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1

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..........ERROR: hook /usr/share/apport/general-hooks/ubuntu.py crashed:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 729, in add_hooks_info
    symb['add_info'](self, ui)
  File "/usr/share/apport/general-hooks/ubuntu.py", line 52, in add_info
    check_attachment_for_errors(report, log)
  File "/usr/share/apport/general-hooks/ubuntu.py", line 164, in check_attachment_for_errors
    if attachment in report and re.search(grub_error, report[attachment], re.MULTILINE):
  File "/usr/lib/python2.7/re.py", line 142, in search
    return _compile(pattern, flags).search(string)
TypeError: expected string or buffer

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: runit 2.1.1-6.2ubuntu2.1
ProcVersionSignature: Ubuntu 2.6.32-21.32-server 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-server x86_64
ApportVersion: 2.0.1-0ubuntu17.9
Architecture: amd64
Date: Fri Jun 5 22:39:12 2015
ErrorMessage: ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
MarkForUpload: True
SourcePackage: runit
Title: package runit 2.1.1-6.2ubuntu2.1 failed to install/upgrade: ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
UpgradeStatus: Upgraded to precise on 2015-06-06 (0 days ago)