I’ve not posted on here before and am new to Dynamo.
I have been trying to create viewports on a sheet set using an Excel spreadsheet and keep getting this error message -
*Warning: List.GetItemAtIndex operation failed. *
Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
Here’s an image of the problem -
Thanks in advance for any help, I am using Revit 2019 and Dynamo 1.3