Have a look at your free vars and also free heap. I would say you are running out of memory. The esp8266 is quite limited in ram.
@Wilberforce 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.
Have a look at your free vars and also free heap. I would say you are running out of memory. The esp8266 is quite limited in ram.