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Arduino: 1.8.11 (Windows 10), Board: "ESP32 Dev Module, Disabled, Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS), 240MHz (WiFi/BT), QIO, 80MHz, 4MB (32Mb), 921600, None"

Multiple libraries were found for "WiFi.h"
 Used: C:\Users\User\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\WiFi
 Not used: C:\Program
 In file included from C:\Users\User\Documents\Arduino\libraries\async-mqtt-client-master\src/AsyncMqttClient.h:4:0,
             from C:\Users\User\Desktop\sketch_jul13a\sketch_jul13a.ino:3:

C:\Users\User\Documents\Arduino\libraries\async-mqtt-client-master\src/AsyncMqttClient.hpp:9:22: fatal error: AsyncTCP.h: No such file or directory

compilation terminated.

exit status 1
Error compiling for board ESP32 Dev Module.

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  • Not used: C:\Program - is that where you put your Arduino code, or is something going wrong with C:\Program Files (x86)?
    – Thomas Weller
    Commented Jul 13, 2020 at 6:07
  • sir what i have to do for this ? pls tell
    – Arpit Jain
    Commented Jul 13, 2020 at 6:49
  • i updated the ide but again it show same error
    – Arpit Jain
    Commented Jul 13, 2020 at 7:01
  • Then install the Async TCP library, or whag ever library gives you the file AsyncTCP.h. The compiler complains, that the file is missing, so most likely you didn't install all the needed libraries
    – chrisl
    Commented Jul 13, 2020 at 8:06
  • do what it tells you to do at the end of the printout
    – jsotola
    Commented Jul 13, 2020 at 11:18

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