1.5rc not saving new locations on single maps

Hi

As stated previously, it seems that after installing the 1.5 it only read and displayed correctly the locations which were already saved (where are they saved btw?) before uninstalling the older plugin version and installing the new. New locations do not seem to be saved (other than in the drop down menu) in all needed places, or the single map does not read the info from all needed locations .. 🙁

Any ideas how to solve? Thanks!

http://wordpress.org/extend/plugins/geo-mashup/