Bug: Crash when opening or closing Collections

Attempting to Close a Collections tab or opening Collections causes a crash (different errors).

Software version: 4.0b.
Reported by Dave Hooton.
Forum link: http://community.logos.com/forums/t/13676.aspx
Also http://community.logos.com/forums/t/13755.aspx
      http://community.logos.com/forums/t/13504.aspx

Status: fixed in 4.0b SR-1