Error 0x803E0108

Value: -2143420152 | 0x803E0108 | 2151547144

What does it mean ?

WPN_E_NOTIFICATION_NOT_POSTED  
The notification cannot be hidden until it has been shown.
Value: 264 | 0x0108 | 0b0000000100001000

Where does it come from ?

FACILITY_WPN  
Notification Platform
Value: 62 | 0x03E | 0b00111110

Other Errors for FACILITY_WPN