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By alexsunny123
#89528 Hello,

Got the pubsub mqtt basic example running but, even if everything seems to work fine, I get the error (from debug serial) "No heap available, failed to malloc 0".

Do I have to worry about this?

By the way I tried to monitor free heap with ESP.getFreeHeap() but this function does not seem to be implemented in the very last version (?).

thanks
alexsunny