Error downloading message?

After adding in preference "

Arduino ide reports "Error downloading

But configured software and board works perfectly as intended.

ESP8266 forum has confusing answers.

I have arduino 1.8.2 installed and all board and libraries are upto date.

I would like to have your opinion on this error message. It does not stop the working on lesson, still like to know about its implication

bekathwia7 months ago

I've never seen that error before! Glad it's working regardless.