Error(s) encountered during statement execution: disk I/O error [QUERY: DELETE FROM syncCache WHERE ROWID IN (SELECT SC.ROWID FROM syncCache SC LEFT JOIN items O USING (libraryID, key, version) WHERE syncObjectTypeID=? AND SC.libraryID=? AND (O.libraryID IS NULL OR SC.version < O.version))] [PARAMS: 3, 1] [ERROR: disk I/O error]