namespace "spdlog" has no member "stdout_color_mt" error

[petermeshack]

what should i do when i get the error namespace "spdlog" has no member "stdout_color_mt" example in
#include "Log.h"

namespace Hedric {
std::shared_ptrspdlog::logger Log::s_CoreLogger;
std::shared_ptrspdlog::logger Log::s_ClientLogger;

void Log::Init() {
	spdlog::set_pattern("%^[%T] %n: %v%$");
	s_CoreLogger = spdlog::stdout_color_mt("Hedric");
	s_ClientLogger = spdlog::stdout_color_mt("App");

}

}

[tt4g]

Missing #include "spdlog/sinks/stdout_color_sinks.h".