All 847 certificates were simultaneously "expired."
: Certificates are tied to maintenance agreements. A certificate issued prior to June 2020 may no longer be valid for newer installations due to updated security protocols, requiring a fresh download from the Claris store. Common Issues licensecert.fmcert
Her code had a fatal flaw: Expires was stored as a simple Unix timestamp. But when validating, she used the local system time of the drone. The license server signed with its own local time. No timezone normalization. No UTC. All 847 certificates were simultaneously "expired