localhost3000でエラーが起きます

ActiveRecord::PendingMigrationError

Migrations are pending. To resolve this issue, run: bin/rake db:migrate RAILS_ENV=development

Extracted source (around line #392):
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  def check_pending!(connection = Base.connection)
    raise ActiveRecord::PendingMigrationError if ActiveRecord::Migrator.needs_migration?(connection)
  end

  def load_schema_if_pending!