Unable to compile Demo.ino

[NotFazed]

I'm using Arduino IDE 2.3.2 - controlling a OSOYOO V2.1 Robot Car which I believe has an Adruino Uno board with ESP8266

Followed the steps in the readme and get the following error when try to compile

In file included from C:\1Work\WebSerialDemo\WebSerialDemo.ino:18:0: c:\Users\scott\OneDrive\Documents\Arduino\libraries\ESP_Async_WebServer\src/ESPAsyncWebServer.h:26:10: fatal error: functional: No such file or directory

include

      ^~~~~~~~~~~~

compilation terminated. exit status 1

Compilation error: exit status 1

Any ideas ?

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[github-actions[bot]]

This issue was closed because it has been stalled for 5 days with no activity.