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Previewing array data with index variables doesn't work

How to fix "Cannot read properties of undefined (reading 'name')" error in Wized
You are getting a "Cannot read properties of undefined (reading 'name')", or similar error when you try to preview your data inputs?
Example below:
Wized configurator | Data editor view
Follow these steps to fix it:

Set an inital value in your variable settings

Use the value, you would like your variable to be in the data field preview.
Setting the initial value of the iterator variable to 0
Then re-render your canvas and try again. You should now be able to preview input data fields correctly, and the error should be gone.