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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.
It fixed.
Don't post an issue if something is wrong with your code.
You could post your full code here as a spoiler if you someone to help you with it