Bug: Crash when switching to a layout

See Forum link. Problem was not fixed by 4.0b SR-1

Software version: 4.0b SR-1.
Reported by Dave Hooton.
Forum link: http://community.logos.com/forums/p/13473/107985.aspx#107985

Status: fixed in 4.0b SR-2 and 4.0c Beta 2