J'essaye d'installer activeadmin sur les rails avec concevoir. Je ajouté Gemfile et couruerreur en double dans la migration sur les rails avec activeadmin et concevoir
rake db:migrate
et moi avons rencontré ces erreurs.
== 20170821153121 DeviseCreateAdminUsers: migrating ===========================
-- create_table(:admin_users)
rails aborted!
StandardError: An error has occurred, this and all later migrations canceled:
SQLite3::SQLException: table "admin_users" already exists: CREATE TABLE "admin_users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "email" varchar DEFAULT '' NOT NULL, "encrypted_password" varchar DEFAULT '' NOT NULL, "reset_password_token" varchar, "reset_password_sent_at" datetime, "remember_created_at" datetime, "sign_in_count" integer DEFAULT 0 NOT NULL, "current_sign_in_at" datetime, "last_sign_in_at" datetime, "current_sign_in_ip" varchar, "last_sign_in_ip" varchar, "created_at" datetime NOT NULL, "updated_at" datetime NOT NULL)
/Users/admin/.rvm/gems/ruby-2.4.1/gems/sqlite3-1.3.13/lib/sqlite3/database.rb:91:in `initialize'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/sqlite3-1.3.13/lib/sqlite3/database.rb:91:in `new'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/sqlite3-1.3.13/lib/sqlite3/database.rb:91:in `prepare'
/Users/admin/.rvm/gems/ruby-2.4.1/gems/sqlite3-1.3.13/lib/sqlite3/database.rb:137:in `execute'
...