module Exceptions
  class ManifestMissing < StandardError
  end
  class LtiConfigMissing < StandardError
  end
  class InvalidImsccTokenError < StandardError
  end
  class FileMvException < StandardError
  end
  class CanvasApiTokenRequired < LMS::Canvas::CanvasException
  end
end

module Exceptions
  class ManifestMissing < StandardError
  end
  class LtiConfigMissing < StandardError
  end
  class InvalidImsccTokenError < StandardError
  end
  class FileMvException < StandardError
  end
  class CanvasApiTokenRequired < LMS::Canvas::CanvasException
  end
  class UnAuthorizedGraphQLCanvasRequest < GraphQL::ExecutionError
  end
end

Add definition for custom exception class
fix: Add definition for custom exception class

In `app/controllers/api/graphql_controller.rb` on line 24, we raise an
`Exceptions::UnAuthorizedGraphQLCanvasRequest` error. However,
this exception class isn't defined.
