the arduinojson 6.15 library crashes everything, you have to use 5.13.5

[aandroide]

ok guys I solved the problem and I understood where the error is. first download the latest firebase library available here on git but you absolutely have to check by going into the management of the arduino compiler libraries, look for the arduinojson library and make sure you have version 5.13.5 and not version 6.15.0 because it is currently not compatible.

[aandroide]

@kotl
you can fix it?

[Arafa-microsys]

Because this library is based on ArduinoJson 5, but when you update your ESP8266 Core to version 2.6.0 you will face this problem because of ArduinoJson 6 It has a fundamental change of the old one.
so, you should be downgraded to a version before 2.5.2

[aandroide]

thanks for the tips 12 hours have passed without any reboot following your advice. I will update again if it exceeds 48 hours without rebooting

[paulohsilvavieira]

Thanks for tips!!