The only reference I could find in the database was shortcoder_data in the Options table. I copied this data manually to another blog with Shortcoder activated, but the shortcodes from the old blog did not appear in Settings > Shortcoder (/wp-admin/options-general.php?page=shortcoder).
Hello, I think you’ve emptied that data field by mistake. Replacing that data field in the DB will solve the problem.
Anyway, Ill add an “Export shortcodes” feature in the next version as per request.
Thank you.