WIO Terminal library missing file

I am just trying to get the simplest of wifi code to compile but it looks like Seeed_atUnified.h is missing? I have tried on the arduino platform and Platform IO same issue. Perhaps I am missing something really obvious?

#include “Seeed_atUnified.h”
^~~~~~~~~~~~~~~~~~~
compilation terminated.
*** [.pio/build/seeed_wio_terminal/lib737/Seeed_Arduino_atWiFi/WiFiGeneric.cpp.o] Error 1
In file included from .pio/libdeps/seeed_wio_terminal/Seeed_Arduino_atWiFi/src/WiFiSTA.h:28:0,
from .pio/libdeps/seeed_wio_terminal/Seeed_Arduino_atWiFi/src/WiFi.h:32,
from .pio/libdeps/seeed_wio_terminal/Seeed_Arduino_atWiFi/src/WiFiClient.cpp:21:
.pio/libdeps/seeed_wio_terminal/Seeed_Arduino_atWiFi/src/WiFiGeneric.h:26:10: fatal error: Seeed_atUnified.h: No such file or directory

Thanks, Riley