SQLite error code
SQLITE_READONLY_CANTLOCK
SQLITE_READONLY_CANTLOCK is SQLite result code 520, an extended code of SQLITE_READONLY.
| Result code | 520 |
|---|---|
| Name | SQLITE_READONLY_CANTLOCK |
| Primary code | SQLITE_READONLY |
What it means
The SQLITE_READONLY_CANTLOCK error code is an extended error code for SQLITE_READONLY. The SQLITE_READONLY_CANTLOCK error code indicates that SQLite is unable to obtain a read lock on a WAL mode database because the shared-memory file associated with that database is read-only.
Source: SQLite Result and Error Codes