com.zipow.videobox.util.PreferenceUtil.readBooleanValue (PreferenceUtil.java:464)

Had a similar issue:

Try the following:

  • Uninstall the app
  • Delete your device’s backup in Google Drive
  • Reinstall the app but don’t run it.
  • Manually enable all the permissions that the app needs under the app’s settings
  • Start the app