instructure/canvas-lms · error · ActiveRecord::RecordNotFound

Quiz not found

Error message

Quiz not found

What it means

Generic not-found guard in Filters::Quizzes#require_quiz: no quiz exists in @context matching params[:quiz_id] (or params[:id]). This sentinel ActiveRecord::RecordNotFound is raised for every quizzes API/controller route needing a quiz.

Solutions

1. Verify the quiz_id/id references an existing, non-deleted quiz in the given course
2. Check for typo'd or stale quiz ids from the client

When it happens

Trigger: Thrown at app/controllers/filters/quizzes.rb:28 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of instructure/canvas-lms@1c9f0bb801 (2026-09-15). Data as JSON: /api/errors/bdfe2701cafdc7b2. Report an issue: GitHub.

Appendix: source

Thrown at app/controllers/filters/quizzes.rb:28

# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#

module Filters::Quizzes
  protected

  def require_quiz
    id = params.key?(:quiz_id) ? params[:quiz_id] : params[:id]

    unless (@quiz = @context.quizzes.find(id))
      raise ActiveRecord::RecordNotFound, "Quiz not found"
    end

    @quiz
  end

  def require_course
    @course = api_find(Course.active, params[:course_id])
    params[:context_id] = params[:course_id]
    params[:context_type] = "Course"
    authorized_action(@course, @current_user, :read)
  end
end

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