If you're banging your head on the wall as to why your Pi-Star MMDVM is not registering with BrandMeister and you're getting the error:
Login to the master has failed, retrying network
You'll need to go into BrandMeister Self Care, create a Random Password, and add it to the "Hotspot Security" section of the SelfCare page:
Then, take the same password to your Pi-Star's DMR configuration:
Apply the changes to your Hotspot.