Thank you for your bug report. Can you please follow the "obtaining a backtrace" section from https://wiki.ubuntu.com/DebuggingFirefoxDevels or attach your apport crash report found in /var/crash. to this bug so we can get a better ideo of what is causing this to happen.
Thank you for your bug report. Can you please follow the "obtaining a backtrace" section from https:/ /wiki.ubuntu. com/DebuggingFi refoxDevels or attach your apport crash report found in /var/crash. to this bug so we can get a better ideo of what is causing this to happen.