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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.
You have pre-defined
revarray
to be a 2-D array consisting of only 4 elements (sub-arrays). Upon assigining the 5th one, there is no memory assigned to the array object to store the value, hence the error.Hint: do not pre-define the array and use another technique to add elements into it.
If you need help, ask a question. Don't raise an issue.