sqlite_readonly_cantlock
Moderate
SQLite · Database Engine
SQLite code SQLITE_READONLY_CANTLOCK signals readonly cantlock in transaction locks and writer coordination.
Quick Answer
Error code SQLITE_READONLY_CANTLOCK on your SQLite Database Engine means: SQLite code SQLITE_READONLY_CANTLOCK signals readonly cantlock in transaction locks and writer coordination.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Capture SQL statement, sqlite3 return path, and DB mode when SQLITE_READONLY_CANTLOCK occurs.
2
Run a focused reproduction for readonly_cantlock using the same transaction and pragma settings.
3
Inspect database file health, journal/WAL behavior, and lock ownership depending on transaction locks and writer coordination.
4
Apply a precise fix in query logic, schema, or runtime flags to remove SQLITE_READONLY_CANTLOCK.
5
Re-test on load and verify SQLITE_READONLY_CANTLOCK does not recur in application logs.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
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