The input function doesn't seem to work with a numeric list?

[Rosebud]

I have a numeric list that I want to use as an input to a reference action using the INPUT function but I get an error when trying to use it to SUM the values. I get an error that says the SUM function is expecting a numeric list.

Action "Update Best Nets Row 2":  SUM(TOP([_INPUT].[Team_Nets], [Game].[Number of Best Nets]))

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