langgenius/dify · error · NotFoundError

variable not found, id={variable_id_str}

Error message

variable not found, id={variable_id_str}

What it means

Error "variable not found, id={variable_id_str}" thrown in langgenius/dify.

Source

Thrown at api/controllers/console/datasets/rag_pipeline/rag_pipeline_draft_variable.py:190

        return Response("", 204)


@console_ns.route("/rag/pipelines/<uuid:pipeline_id>/workflows/draft/variables/<uuid:variable_id>")
class RagPipelineVariableApi(Resource):
    _PATCH_NAME_FIELD = "name"
    _PATCH_VALUE_FIELD = "value"

    @console_ns.response(200, "Variable retrieved successfully", workflow_draft_variable_model)
    @_api_prerequisite
    @marshal_with(workflow_draft_variable_model)
    def get(self, _current_user: Account, pipeline: Pipeline, variable_id: UUID):
        draft_var_srv = WorkflowDraftVariableService(
            session=db.session(),
        )
        variable_id_str = str(variable_id)
        variable = draft_var_srv.get_variable(variable_id=variable_id_str)
        if variable is None:
            raise NotFoundError(description=f"variable not found, id={variable_id_str}")
        if variable.app_id != pipeline.id:
            raise NotFoundError(description=f"variable not found, id={variable_id_str}")
        return variable

    @console_ns.response(200, "Variable updated successfully", workflow_draft_variable_model)
    @_api_prerequisite
    @marshal_with(workflow_draft_variable_model)
    @console_ns.expect(console_ns.models[WorkflowDraftVariablePatchPayload.__name__])
    @model_validate(WorkflowDraftVariablePatchPayload)
    def patch(
        self,
        req_data: WorkflowDraftVariablePatchPayload,
        _current_user: Account,
        pipeline: Pipeline,
        variable_id: UUID,
    ):
        # Request payload for file types:
        #

View on GitHub (pinned to ef8544b173)

When it happens

Trigger: Thrown at api/controllers/console/datasets/rag_pipeline/rag_pipeline_draft_variable.py:190 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of langgenius/dify@ef8544b173 (2026-08-12). Data as JSON: /api/errors/61c49ea9f9a79f15. Report an issue: GitHub.