What is going on in ThingSpeak recently? All my ESP's which use the ThingSpeak library have either stopped working or only are only posting data very sporadically. The error code is :"Problem updating channel. HTTP error code -301". I've gone back to the basic example in the ThingSpeak library (unsecured) and it doesn't work either - same error code -301. What has changed?
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Generally the -301 indicates a connection problem. Are you able to try another network?
Also, our security certificate was recently updated, which would also result in a -301 error. Perhaps be sure you have completely disabled all secure connections when you retry. (or start with a fresh version)
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