Error 0x80650005

Value: -2140864507 | 0x80650005 | 2154102789

What does it mean ?

E_BLUETOOTH_ATT_INSUFFICIENT_AUTHENTICATION  
The attribute requires authentication before it can be read or written.
Value: 5 | 0x0005 | 0b0000000000000101

Where does it come from ?

FACILITY_BLUETOOTH_ATT  
Bluetooth ATT (Attribute Protocol)
Value: 101 | 0x065 | 0b01100101

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