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I setup my Arduino 1.6.12 IDE to work with my Wemos D1 R2 board by
cloning the repository from GitHub.
https://www.wemos.cc/tutorial/get-started-arduino.html
This board is working . But my Arduino board (UNO) is giving error during upload. The sketch compiles without error though.
It may be an installation issue or I am missing something.
I am attaching the error message.

On Googling the error it appears that it has to do with avrdude 6.3 used in Arduino latest IDE and related to fuse setting on Atmega 328p used on Arduino UNO.
I rolled backe to Arduino 1.6.9 and I am not getting this error.