Hi,

Can anyone explain what is wrong and what should be done to fix this?

How to “Upgrade GDB executable”?

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Warning: your GDB did not accept a breakpoint in E:\MyWork\WaterOnDemand\ESP32\WaterOnDemand\Output\DOIT_ESP32_DEVKIT_V1\Debug\sketch\Sensors.cpp, but accepted it using the name-only syntax (Sensors.cpp).
VisualGDB will now use short file names instead of full paths to set breakpoints.
This might cause strange bugs if you have multiple files with the same name in different directories.
Please consider updating the GDB executable in your toolchain/system.
Warning: could not set a breakpoint on main. ‘Step into new instance’ will not work.

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Thanks