Error 0x87AF000F

Value: -2018574321 | 0x87AF000F | 2276392975

What does it mean ?

SQLITE_E_PROTOCOL  
Database lock protocol error
Value: 15 | 0x000F | 0b0000000000001111

Where does it come from ?

FACILITY_SQLITE  
SQLite Database Engine
Value: 1967 | 0x7AF | 0b11110101111

Other Errors for FACILITY_SQLITE