I'm having same issue with High Sierra and GB 10.2.0.
EZdrummer plug-in version 2.1.4 (build 13108) [64-bit VST]
Standalone host version 2.1.4 (build 13108)
SOUND LIBRARIES
Drumkit from Hell version 1.5.2
EZdrummer 2 Modern version 1.0.2
EZdrummer 2 Vintage version 1.0.2
MIDI LIBRARIES
EZdrummer 2 Modern/Vintage version 1.0.1
EZdrummer 2 Percussion version 1.0.1
EZX Drumkit from Hell Guests version 1.5.0
EZX Drumkit from Hell version 1.5.0
Monster MIDI Pack version 1.2.0
I will report to suport as well.
/Marc