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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 was solved by checking nFloors by zero.
My error was the same and was solved by eliminating the use of the method substring
I am having the same issue. Did you manage to find the solution for this by any chance?
Not an issue.