Answer 1

Write feedback to sololearn

Answer 2

@mohsin I don't know maybe sololearn will fix mistakes in next update.

Answer 3

You welcome and thanks

Answer 4

@Giorgi R. Thank you, I have got a new badge :-)

Answer 5

@George but I didn't get. I submitted the feedback.

Answer 6

@georgi thank you :) finally it's unlocked!