Error 0x87AF080A

Value: -2018572278 | 0x87AF080A | 2276395018

What does it mean ?

SQLITE_E_IOERR_UNLOCK  
SQLITE_IOERR_UNLOCK
Value: 2058 | 0x080A | 0b0000100000001010

Where does it come from ?

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

Other Errors for FACILITY_SQLITE