Disable BLE and try again
http://www.espruino.com/Reference#l_ESP32_enableBLE
Not fix and Heap less then before BLE was enable.
@MaBe started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Disable BLE and try again
http://www.espruino.com/Reference#l_ESP32_enableBLE