Reset Great Balls Used

[Deltafox on Diamond]

Hello Masters

I was hunting Chikorita, when I noticed that the count had returned to great balls used and had not given the catch pokemon

http://i.imgur.com/SL4iG.jpg

just after after another 21 great balls used came the catch, I'm referring only to understand what do might have happened and that you guys can leave the best game ever

after the catch Chikorita Bug

http://i.imgur.com/aWVhV.jpg

 

[Maritos]

This bug doesnt affect the gameplay and it's hard to know what happened