Seaquel
SQLite error code

SQLITE_IOERR_LOCK

SQLITE_IOERR_LOCK is SQLite result code 3850, an extended code of SQLITE_IOERR.

Result code3850
NameSQLITE_IOERR_LOCK
Primary codeSQLITE_IOERR

What it means

The SQLITE_IOERR_LOCK error code is an extended error code for SQLITE_IOERR indicating an I/O error in the advisory file locking logic. Usually an SQLITE_IOERR_LOCK error indicates a problem obtaining a PENDING lock. However it can also indicate miscellaneous locking errors on some of the specialized VFSes used on Macs.

Source: SQLite Result and Error Codes