Error 0x80000015

Value: -2147483627 | 0x80000015 | 2147483669

What does it mean ?

RO_E_CHANGE_NOTIFICATION_IN_PROGRESS  
Operation is prohibited during change notification.
Value: 21 | 0x0015 | 0b0000000000010101

Where does it come from ?

FACILITY_NULL  
The default facility code
Value: 0 | 0x000 | 0b00000000

StackOverflow

Other Errors for FACILITY_NULL