Error Code Portal
SQLiteSQLiteError code

SQLITE_IOERR_SHMSIZE

ioerr shmsize

Alternative forms: 4874

What does this code mean?

Code SQLITE_IOERR_SHMSIZE · An issue reported by SQLite.

Official explanation · Original text

The SQLITE_IOERR_SHMSIZE 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 enlarge a "shm" file as part of WAL mode transaction processing. This error may indicate that the underlying filesystem volume is out of space.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

This entry links only to official code reference documentation. No separate troubleshooting procedure has been verified.

Source and terms of use

Result and Error Codes ↗

Creator: SQLite authors / Hwaci
License: Public domain dedication (SQLite code and documentation)
Checked on: 2026-11-12

Modifications: English prose extracted; whitespace normalized; Korean context and classified official links added. Python code examples not redistributed.

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