We have just rolled out new URL's (fancy word for a website address) to access BRM / RSM
from now on they are:
(used to be https://bikerentalmanager-us.appspot.com/ and it will still work)
(used to be https://mybikeshopmanager-eu.appspot.com/ and it will still work)
please update your bookmarks to point to the new ones.
N.B. if you continue to use the old URL's then 'edit online booking' will not work: