/TrinityCore/src/server/game/Entities/Object/ObjectGuid.h:209:29: error: no type named 'ostream' in namespace 'std'
friend TC_GAME_API std::ostream& operator<<(std::ostream& stream, ObjectGuid const& guid);
/TrinityCore/src/server/game/Entities/Object/ObjectGuid.h:209:54: error: no type named 'ostream' in namespace 'std'
friend TC_GAME_API std::ostream& operator<<(std::ostream& stream, ObjectGuid const& guid);
~~~~~^
/TrinityCore/src/server/game/Entities/Object/ObjectGuid.h:327:14: error: no type named 'string' in namespace 'std'
std::string ToString() const;
~~~~~^
/TrinityCore/src/server/game/Entities/Object/ObjectGuid.h:402:18: error: no type named 'ostream' in namespace 'std'
TC_GAME_API std::ostream& operator<<(std::ostream& stream, ObjectGuid const& guid);
~~~~~^
/TrinityCore/src/server/game/Entities/Object/ObjectGuid.h:402:43: error: no type named 'ostream' in namespace 'std'
TC_GAME_API std::ostream& operator<<(std::ostream& stream, ObjectGuid const& guid);
~~~~~^
5 errors generated.
/TrinityCore/src/server/game/Entities/Object/ObjectGuid.h:209:29: error: no type named 'ostream' in namespace 'std' friend TC_GAME_API std::ostream& operator<<(std::ostream& stream, ObjectGuid const& guid);