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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
I solved this problem in a different way.
And, it would seem, you can forget about it,
BUT my exactly the same code then (exactly then) did not work!!!
And here, please, everything works - not justice
Checked it - it still works.
Recheck your code.
What is the error, exactly?
I did the same, BUT I got an ERROR - indicating the fact that separator -> empty separator (first test)