[Pharo-project] another gofer question

HI lukas Gofer new squeaksource: 'Rio'; package: 'Rio-Kernel-razavi_acm_org.89'; package: 'Rio-Grande-kph.45'; load. does not work while the following does and load the same files. Gofer new squeaksource: 'Rio'; package: 'Rio-Kernel'; package: 'Rio-Grande'; load. what is the mistake I'm doing? Stef