Weird save behavior {"Apple","Banana"} to null

Certified Senior Developer

Hi.

I was setting up some save functionality for the one spot in my code that saves to a particular variable.

I had a rule that outputs null under certain conditions, but kept watching it show up as {null} instead.

I have tried to simplify the issue and have found saving into the localvariable something like {"Apple", "Banana"} results in straight null instead. 

What is happening in my interface?

If i save the same value to a random debug variable it works fine.

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