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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.
@hungryforcodes
@Ruprect99 I've had this before a few times and it generally seems to point to some flash corruption?
I find that typing "reset(1) -> save()" (could also be "reset(0)") seems to force some kind of clean up algorithm (flash compacting?). That might resolve it.
But the sure way to deal with it is just to reflash the firmware. Make sure to use the "erase_flash" option in esptool before doing so though, just to ensure you reformat the entire flash address space.