I think they are stored in the DB, under <dbprefix>_redirection_items. There should be four tables, redirection_logs, redirection_items, redirection_modules, and redirection_groups. If they are missing or empty, likely they are gone unless you restore an old db, or setup a new DB side-by-side, restore a backup to it, export the log data, replace the schema name and import to live db.
As to how they got deleted, yo no se. Maybe there’s a cleaner/optimizer plugin that removed it.
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This reply was modified 7 years, 6 months ago by manyourisms. Reason: Typos
