There is an error in the ESP32 wifi connection logic when connecting to certain AP types Outlined here: https://github.com/espressif/esp-idf/issues/9283 It's fixed, but not in the latest release. I added logic to quiet the error messages when connecting - see[ this line of code ](https://github.com/sparkfun/SparkFun_Flux/blob/105810070d657ac9af490c4d69126bcb85b67b9c/src/Flux/flxWiFiESP32.cpp#L131) One the underlying issue is made it to the Arduino package - pull out the messages set to none calls