problem creating blocks in a layout

I'm having a problem creating blocks in a layout.  My order of steps is:

New->Assembly->Create Layout->Draw a rectangle or anything with multiple entities->highlight the entities->make block

Next the make block side window comes up and in the selection it has reduced the entities I highlighted before to only 1 entity and I cannot select more.  Did my program bug out and how can I fix it?  I think I was doing this before without a problem so maybe this should be a bug report.

SolidworksAssemblies