Error 0x80650006

Value: -2140864506 | 0x80650006 | 2154102790

What does it mean ?

E_BLUETOOTH_ATT_REQUEST_NOT_SUPPORTED  
Attribute server does not support the request received from the client.
Value: 6 | 0x0006 | 0b0000000000000110

Where does it come from ?

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

Other Errors for FACILITY_BLUETOOTH_ATT