reference to 'byte' is ambiguous

[wmjb]

In file included from C:/usr/local/include/winsock2.h:23:
In file included from C:/usr/local/include/windows.h:97:
In file included from C:/usr/local/include/winscard.h:10:
In file included from C:/usr/local/include/wtypes.h:13:
In file included from C:/usr/local/include/ole2.h:17:
In file included from C:/usr/local/include/objbase.h:66:
C:/usr/local/include/objidl.h:8961:5: error: reference to 'byte' is ambiguous
8961 | byte *reserved1,
| ^
C:/usr/local/include/rpcndr.h:93:25: note: candidate found by name lookup is 'byte'
93 | typedef unsigned char byte;
| ^
C:/usr/local/include/c++/v1/cstddef:71:12: note: candidate found by name lookup is 'std::byte'
71 | enum class byte : unsigned char {};

[mstorsjo]

We can’t really do much based on such error messages - you’ll need to provide the minimal input for reproducing the failure.

[QianNangong]

Does this line in your code?

using namespace std;