/usr/sbin/pptp:11:pptp_call_destroy:pptp_conn_destroy:callmgr_main:launch_callmgr:open_callmgr

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding pptp-linux. This problem was most recently seen with package version 1.8.0-1, the problem page at https://errors.ubuntu.com/problem/f22957f91d28f240233e56e47f832286127fdb71 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker you can request it at http://forms.canonical.com/reports/.