langgenius/dify · error · NotFound

Conversation Not Exists.

Error message

Conversation Not Exists.

What it means

Error "Conversation Not Exists." thrown in langgenius/dify.

Source

Thrown at api/controllers/console/app/conversation.py:222

    @console_ns.doc(params={"app_id": "Application ID", "conversation_id": "Conversation ID"})
    @console_ns.response(204, "Conversation deleted successfully")
    @console_ns.response(403, "Insufficient permissions")
    @console_ns.response(404, "Conversation not found")
    @setup_required
    @login_required
    @account_initialization_required
    @edit_permission_required
    @rbac_permission_required(RBACResourceScope.APP, RBACPermission.APP_EDIT)
    @with_current_user
    @with_session
    @get_app_model(mode=AppMode.COMPLETION)
    def delete(self, session: Session, current_user: Account, app_model: App, conversation_id: UUID):
        conversation_id_str = str(conversation_id)

        try:
            ConversationService.delete(app_model, conversation_id_str, current_user, session=session)
        except ConversationNotExistsError:
            raise NotFound("Conversation Not Exists.")

        return "", 204


@console_ns.route("/apps/<uuid:app_id>/chat-conversations")
class ChatConversationApi(Resource):
    @console_ns.doc("list_chat_conversations")
    @console_ns.doc(description="Get chat conversations with pagination, filtering and summary")
    @console_ns.doc(params={"app_id": "Application ID", **query_params_from_model(ChatConversationQuery)})
    @console_ns.response(200, "Success", console_ns.models[ConversationWithSummaryPaginationResponse.__name__])
    @console_ns.response(403, "Insufficient permissions")
    @setup_required
    @login_required
    @account_initialization_required
    @edit_permission_required
    @with_current_user
    @rbac_permission_required(RBACResourceScope.APP, RBACPermission.APP_VIEW_LAYOUT)
    @with_session(write=False)

View on GitHub (pinned to ef8544b173)

When it happens

Trigger: Thrown at api/controllers/console/app/conversation.py:222 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/d273b39474931a4a. Report an issue: GitHub.