Error 0x87C5102B

Value: -2017128405 | 0x87C5102B | 2277838891

What does it mean ?

UTC_E_API_BUSY  
The UTC API is busy with another request
Value: 4139 | 0x102B | 0b0001000000101011

Where does it come from ?

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

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