- ss << "Error ::" << __FILE__ << ","<< __LINE__ << " window size must be in [ " << MIN_WINDOW_SIZE << "," << MAX_WINDOW_SIZE << "]" << std::endl;
+ ss << "Error ::" << __FILE__ << ","<< __LINE__ << " Illegal window size ! window size must be in [ " << MIN_WINDOW_SIZE << "," << MAX_WINDOW_SIZE << "]" << std::endl;