I am having issues to publishing and subscribing variables values. Yesterday afternoon I was not able to publis any value to a variable.Since yesterday I kept my ESP32 trying to publishing, after a few hours it was able to publishing for few hours, then it stop to publishing and now it is sending data to Ubidots Cloud but nothing is publishing.
I cannot understand why sometimes it works, sometimes not, when I am using the same code.
Recently we haven’t presented any issue with MQTT broker, as you can see in our status page.
I recommend you to verify the following things.
Make sure of your internet connections and code.
If you are a STEM user, keep in mind that Ubidots STEM account has a throttling limit of 30dotsper minute across all devices, and up to 4,000dotsper day .