terninate called after throwing an instance of 'std::logic_e

An instance of Front Mission already AN instance of the game is already running an instance of this application is already runing是什么意思? 是for an instance 还是for instance? 出现这个（0bject reference not set to an instance of an object. "Object reference not set to an instance of an object"这句英语是什 丧尸围城2错误 An instance of this appocation is already running 丧尸围城2错误 An instance of this appocation is already running,可是 An instance of Quake Live is already running.Please close th called=with name of么?什么区别?called name after呢? instance of方法的含义 The function is called with an incorrect number of parameter