Seaquel
SQLite error code

SQLITE_IOERR_SHMMAP

SQLITE_IOERR_SHMMAP is SQLite result code 5386, an extended code of SQLITE_IOERR.

Result code5386
NameSQLITE_IOERR_SHMMAP
Primary codeSQLITE_IOERR

What it means

The SQLITE_IOERR_SHMMAP 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 map a shared memory segment into the process address space.

Source: SQLite Result and Error Codes