title: SessionNotCreatedException: Message: Unable to find a matching set of capabilities in robot framework
body: <p>Firefox v77.0.1 64 bit 
  python 3.6
  geckodriver 0.26<a href="https://i.stack.imgur.com/9N2DK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9N2DK.png" alt="enter image description here"></a></p>