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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.
my solution whenever i test i am facing below issue at portal.
This error was caused due to an issue processing the web request, not because of an issue executing your code. You can retry the request.