Error 0x87C5102F

Value: -2017128401 | 0x87C5102F | 2277838895

What does it mean ?

UTC_E_ESCALATION_DIRECTORY_ALREADY_EXISTS  
The escalation working directory for the requested escalation could not be created because it already exists
Value: 4143 | 0x102F | 0b0001000000101111

Where does it come from ?

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

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