Automation of point and surface creation

My problem is when I want to create a cogo point group and TIN surface it throws an error in point.ByCoodinate node and the warning is "Asked to convert non-convertible types and further nodes doesn’t work.
How can I mange this problem


Hi @soroushautocad2020,

Can you put an Object.Type node at the end of one of the List.GetItemAtIndex nodes and make sure that it is of type System.Double?

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