R2 UNC won't boot and standard output shows the following: FATAL: Cannot boot station from sns java.lang.NoClassDefFoundError: tridium/foundation/prism/Subscription

Issue

R2 UNC won't boot and standard output shows the following:

FATAL: Cannot boot station from sns
java.lang.NoClassDefFoundError: tridium/foundation/prism/Subscription

Product Line

TAC I/A Series

Environment

R2 UNC's

Cause

Typical of corruption to the operating system

Resolution

 To recover: reinstall the OS, nre and modules and then the station.