I got these errors when building it in Visual Studio 2015:

Error C3688 invalid literal suffix ‚PRINTF_TIME_MODIFIER‘; literal operator or literal operator template ‚operator „“PRINTF_TIME_MODIFIER‘ not found RakNet c:\users\ryan\documents\lego universe\universeserver-master\source\raknet\packetlogger.cpp 81

Error C1189 #error: Macro definition of snprintf conflicts with Standard Library function declaration LUNI Server c:\program files (x86)\windows kits\10\include\10.0.10240.0\ucrt\stdio.h 1927