Db:seed_fu fails on 002_groups.rb during upgrade: Validation failed: Name has already been taken

martin · June 1, 2026, 4:22am

Having a look into this.

There is a migration to handle this name conflict, so not sure why it’s not working in OP’s case:

db/migrate/20260424004343_ensure_anonymous_and_logged_in_users_auto_groups.rb

c8f247d73


      
          # frozen_string_literal: true
          
          class EnsureAnonymousAndLoggedInUsersAutoGroups < ActiveRecord::Migration[8.0]
            def up
              legacy_anonymous_group_id = DB.query_single(<<~SQL).first
                SELECT id FROM groups WHERE name = 'anonymous' AND id <> 4;
              SQL
          
              legacy_logged_in_users_group_id = DB.query_single(<<~SQL).first
                SELECT id FROM groups WHERE name = 'logged_in_users' AND id <> 5;
              SQL
          
              # Make sure any existing groups with the name `anonymous` or

Are you running this on its own before running migrations?

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Db:seed_fu fails on 002_groups.rb during upgrade: Validation failed: Name has already been taken

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