When you collect the ID of the error on ESPrtk (ID number or color seen on Neopixel), you can decode it using this simple tool to see what error has occurred.
After logging in, open the Simple Debug tab, enter the error ID or select the neopixel strip color in order (1-2-3-4).
Press “See error”, the page will print an error in the form of text and suggest how to fix it.
This is just the simplest debug tool, sometimes it will help you when you can’t contact anyone to get help.
There is a similar online debug tool for ESPrtk here:
Online Tool Debug (webpage ): esprtk.wap.sh
Download offline Tool Debug(webpage): Download and Documents.