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SQLite error code

SQLITE_IOERR_SHMOPEN

SQLITE_IOERR_SHMOPEN is SQLite result code 4618, an extended code of SQLITE_IOERR.

Result code4618
NameSQLITE_IOERR_SHMOPEN
Primary codeSQLITE_IOERR

What it means

The SQLITE_IOERR_SHMOPEN error code is an extended error code for SQLITE_IOERR indicating an I/O error within the xShmMap method on the sqlite3_io_methods object while trying to open a new shared memory segment.

Source: SQLite Result and Error Codes