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All SQLite error codes
SQLite error code

SQLITE_READONLY_RECOVERY

SQLITE_READONLY_RECOVERY is SQLite result code 264, an extended code of SQLITE_READONLY.

Result code264
NameSQLITE_READONLY_RECOVERY
Primary codeSQLITE_READONLY

What it means

The SQLITE_READONLY_RECOVERY error code is an extended error code for SQLITE_READONLY. The SQLITE_READONLY_RECOVERY error code indicates that a WAL mode database cannot be opened because the database file needs to be recovered and recovery requires write access but only read access is available.

Source: SQLite Result and Error Codes