Error 0x803E0107

Value: -2143420153 | 0x803E0107 | 2151547143

What does it mean ?

WPN_E_NOTIFICATION_HIDDEN  
The notification has already been hidden.
Value: 263 | 0x0107 | 0b0000000100000111

Where does it come from ?

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

Other Errors for FACILITY_WPN