Error 0x80650009

Value: -2140864503 | 0x80650009 | 2154102793

What does it mean ?

E_BLUETOOTH_ATT_PREPARE_QUEUE_FULL  
Too many prepare writes have been queued.
Value: 9 | 0x0009 | 0b0000000000001001

Where does it come from ?

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

Other Errors for FACILITY_BLUETOOTH_ATT