.. index:: pair: class; QPanda::qvm_attributes_error .. _doxid-class_q_panda_1_1qvm__attributes__error: class QPanda::qvm_attributes_error ================================== .. toctree:: :hidden: QPanda2 quantum machine attributes error exception. .. ref-code-block:: cpp :class: doxyrest-overview-code-block #include class qvm_attributes_error: public :ref:`QPanda::QPandaException` { public: // construction :target:`qvm_attributes_error`(); :target:`qvm_attributes_error`(std::string err); }; Inherited Members ----------------- .. ref-code-block:: cpp :class: doxyrest-overview-inherited-code-block public: // methods virtual const char* :ref:`what`();