Spectra 1.5 Hot Fix: Editing A Container Causes It To Be Deleted
In Spectra 1.5, a container is marked as "inactive" when it is being edited. If one attempts to edit another container (this calls a cleanup function), this will cause the original container to be deleted. This is logged as bug 21872. Macromedia has provided a hot fix:
Spectra 1.5 Hot Fix: Editing A Container Causes It To Be Deleted (Updated April 13, 2001)