Sample fails to compile

[carusooo]

When attempting to compile the Esp32-lwmqtt sample for MKR WiFi 1010, it fails:

../arduino_cache_826184/core/core_arduino_samd_mkrwifi1010_7b40219368808432795314fbc8453d73.a(main.cpp.o): In function `main':
.../Arduino15/packages/arduino/hardware/samd/1.8.11/cores/arduino/main.cpp:49: undefined reference to `setup'
...Arduino15/packages/arduino/hardware/samd/1.8.11/cores/arduino/main.cpp:53: undefined reference to `loop'

[JoFont]

I'm running into the same issue... :(