List.ReplaceItemAtIndex problem

Revit
1

I want to replace original point, but Problems keep occurring!
螢幕擷取畫面 2024-11-17 235802|689x409

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  1. The node is provided with a list containing only one item. Instead, it should receive a list with multiple items (no need to use the List.Create node).
  2. requires a numeric value, not an item.
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Thank you!!!