Dear @IamAri and @muellerzr,
thanks for bringing this topic up. I feel it is floating around in the forum quite a bit.
(See also
and
)
Personally, I have also been stuck at the point you mentioned above. I tried implementing the solution you suggested. However, it spits out an error. I have added a screenshot below. Could you take a look at it and give me a hint on what I have missed?
Thank you.
