user26061: avrdude: 

no programmer has been specified on the command line or the config
  file
           Specify a programmer using the -c option and try again


user26063: On the "Tools" menu choose "Programmer:" and specify AVRISP mkII; be sure that you've also chosen the appropriate "Board:" entry for the Uno.


26061: <p>avrdude: </p>

<blockquote>
  <p>no programmer has been specified on the command line or the config
  file
           Specify a programmer using the -c option and try again</p>
</blockquote>
 26063: <p>On the "Tools" menu choose "Programmer:" and specify AVRISP mkII; be sure that you've also chosen the appropriate "Board:" entry for the Uno.
<a href="https://i.stack.imgur.com/tBPH5.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/tBPH5.png" alt="enter image description here"></a></p>
