/usr/bin/budgie-polkit-dialog:11:g_datalist_id_set_data_full:g_object_unref:_vala_main:__libc_start_main:_start

The Ubuntu Error Tracker has been receiving reports about a problem regarding budgie-desktop. This problem was most recently seen with package version 10.5.1-1, the problem page at https://errors.ubuntu.com/problem/25bae36b48119e97dea02a60fcb08bce966febc6 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 and are a software developer, you can request it at http://forms.canonical.com/reports/.