Building in release mode
Compiling .pio\build\esp32doit-devkit-v1\src\main.cpp.o
Compiling .pio\build\esp32doit-devkit-v1\libd32\btAudio\webDSP.cpp.o
In file included from .pio/libdeps/esp32doit-devkit-v1/btAudio/src/webDSP.cpp:1:
.pio/libdeps/esp32doit-devkit-v1/btAudio/src/webDSP.h:5:9: fatal error: WebServer.h: No such file or directory
Building in release mode Compiling .pio\build\esp32doit-devkit-v1\src\main.cpp.o Compiling .pio\build\esp32doit-devkit-v1\libd32\btAudio\webDSP.cpp.o In file included from .pio/libdeps/esp32doit-devkit-v1/btAudio/src/webDSP.cpp:1: .pio/libdeps/esp32doit-devkit-v1/btAudio/src/webDSP.h:5:9: fatal error: WebServer.h: No such file or directory
but i am sure the "WebServer.h" exists.