End of Lifecycle Date - Edit Lifecycle Definition

Hi,

Demantra has a Edit Lifecycle definition worksheet and associated methods. Can the "End of Lifecycle date"  be used for items which are NOT created using similar product (Create Similar Product) functionality?

Our items are not created using this method but, we do have a requirement to end date a product. Post this date, the forecast needs to be zero. We can achieve this using client expression however, there are other lag series, forecast publishing programs that need to be changed. So, we are exploring the seeded functionality.

When I update the end of lifecycle date for an item and run the "Update lifecycle definition" method, I get the attached error message (similar to