Bug with furnace advancement (achievement)

Dear Mojang team

 I have created a number of furnance on different worlds (see the screenshot) but the achievement did not unlocked itself. I didn't get a reward.

 

If any other screenshots or logs are neccesary please let me know. Thank You.

Best regards

Hubert Lipowski (12 years old fan)

PS. I'm using my dad email account (Robert Lipowski)