Last year I had this once with another app that did not work right at that time. What helped was to manually remove all files and to (re-)install the specific app.
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.
Last year I had this once with another app that did not work right at that time. What helped was to manually remove all files and to (re-)install the specific app.