HKUDS/DeepTutor · error · MasteryInteractionError

Unknown objective {kp_id!r}; refresh mastery_status

Error message

Unknown objective {kp_id!r}; refresh mastery_status

What it means

Error "Unknown objective {kp_id!r}; refresh mastery_status" thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/learning/service.py:784

        self.save(progress)

    def record_qualitative_for_path(
        self,
        book_id: str,
        kp_id: str,
        *,
        passed: bool,
        evidence: str = "",
        scheduler: SpacedRepetitionScheduler | None = None,
        session_id: str = "",
        turn_id: str = "",
    ) -> LearningProgress:
        def record(tx):
            from deeptutor.learning.policy import QUALITATIVE_TYPES, find_knowledge_point

            kp, _, _ = find_knowledge_point(tx.progress, kp_id)
            if kp is None:
                raise MasteryInteractionError(
                    f"Unknown objective {kp_id!r}; refresh mastery_status"
                )
            if kp.type not in QUALITATIVE_TYPES:
                raise MasteryInteractionError(
                    f"Objective {kp.name!r} must be graded with mastery_quiz + mastery_grade"
                )
            self.record_qualitative_in_memory(
                tx.progress,
                kp_id,
                passed=passed,
                evidence=evidence,
                scheduler=scheduler,
            )
            tx.touch()
            tx.emit(
                "mastery.assessed",
                {
                    "knowledge_point_id": kp_id,

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/learning/service.py:784 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/DeepTutor@3e82f13042 (2026-08-27). Data as JSON: /api/errors/b8816fd8a04b479f. Report an issue: GitHub.