Error 0x87C51030

Value: -2017128400 | 0x87C51030 | 2277838896

What does it mean ?

UTC_E_TIME_TRIGGER_ON_START_INVALID  
Time triggers cannot be used on a transition originating from the "_start" state
Value: 4144 | 0x1030 | 0b0001000000110000

Where does it come from ?

FACILITY_UTC  
Diagnostic Tracking (Service utcsvc "DiagTrack")
Value: 1989 | 0x7C5 | 0b11111000101

Other Errors for FACILITY_UTC