iTerm2 Build 3.3.6 and Build 3.3.7beta4 crashing when opening preferences on MacOS Mojave 10.14.6

Thanks for filing an issue! Please answer the questions below so I can help you.

• iTerm2 version: 3.3.6, 3.3.7beta4

• OS version: MacOS Mojave 10.14.6

• Attach ~/Library/Preferences/com.googlecode.iterm2.plist here com.googlecode.iterm2.plist

• Are you reporting a crash? Please attach the crash log. crashReport.rtf

Detailed steps to reproduce the problem: 1.open iTerm2 2.click on preferences under menu 3. crash

What happened: crashed What should have happened: open preferences.