Error: AsyncTCP.h: No such file or directory (but I have those libraries)

#include "WiFi.h"
#include "ESPAsyncWebServer.h"
#include "SPIFFS.h"

void setup() {}

void loop() {}

Resulting error:

In file included from H:\Arduino\21-3-12_MainTransmitterReceiver\21-3-12_MainTransmitterReceiver.ino:4:0:
C:\Users\user\Documents\Arduino\libraries\ESPAsyncWebServer\src/ESPAsyncWebServer.h:33:22: fatal error: AsyncTCP.h: No such file or directory
compilation terminated.
exit status 1
Error compiling for board ESP32 Dev Module.

File paths:

What should I try next?

What is the file path of your sketchbook folder ?

The error message also tells you it is using: C:\Users\user\Documents\Arduino\libraries\

My question was intended to be a hint as to the problem

Too subtle - for me anyway :slight_smile:

It's in both places though.

H:\Arduino\21-3-12_MainTransmitterReceiver

In file included from C:\Users\user\Documents\Arduino\21-3-12_MainTransmitterReceiver\21-3-12_MainTransmitterReceiver.ino:4:0:
C:\Users\user\Documents\Arduino\libraries\ESPAsyncWebServer\src/ESPAsyncWebServer.h:33:22: fatal error: AsyncTCP.h: No such file or directory
compilation terminated.
exit status 1
Error compiling for board ESP32 Dev Module.

C:\Users\user\Documents\Arduino\21-3-12_MainTransmitterReceiver

In file included from C:\Users\user\Documents\Arduino\21-3-12_MainTransmitterReceiver\21-3-12_MainTransmitterReceiver.ino:4:0:
C:\Users\user\Documents\Arduino\libraries\ESPAsyncWebServer\src/ESPAsyncWebServer.h:33:22: fatal error: AsyncTCP.h: No such file or directory
compilation terminated.
exit status 1
Error compiling for board ESP32 Dev Module.

Deleted the local version. Now this error:

21-3-12_MainTransmitterReceiver:4:31: fatal error: ESPAsyncWebServer.h: No such file or directory
compilation terminated.
exit status 1
ESPAsyncWebServer.h: No such file or directory

Yet, that file is here:

H:\Arduino\libraries\ESPAsyncWebServer\src\ESPAsyncWebServer.h

Can you please answer the question posed in reply #1

H:\Arduino

I thought that was implied.

Thank you

Judging by

In file included from C:\Users\user\Documents\Arduino\21-3-12_MainTransmitterReceiver\21-3-12_MainTransmitterReceiver.ino:4:0:

Your .ino file is in a folder in C:\Users\user\Documents\Arduino\ so that is your sketchbook directory. What does File/Preferences show as your sketchbook directory ?

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