I am working on a Facebook Ads automation script. I need to duplicate ads via API, while retaining comments and reactions of original ad post (see screenshot, there is a checkbox I need to reproduce via API).

My ads are not simple ads. They refer to products from catalog (if you know Facebook Commerce). Every adset is promoting a product from Facebook Commerce catalog (also, see screenshot).

From what I understand, this means I have to get previous ad post ID ( effective_object_story_id from old creative), and then provide this object_story_id while creating new creative.

But I run into different kids of error while supplying object_story_id. If I supply my FB product:

response = client.session.post(     f"https://graph.facebook.com/v20.0/...../adcreatives",     data={         "name": "...",         "object_story_id": "ID OF OLD POST",         "instagram_actor_id": "...",         "degrees_of_freedom_spec": "{...}",         "contextual_multi_ads": "{...}",         "template_url_spec": {"..."},         "url_tags": "...",         "product_set_id": "MY FB PRODUCT SET",         "access_token": "...",     }, )

I get:

'Cannot use product set id without template spec'

If I drop product_set_id I get:

"The ad's creative is incompatible with the objective of the campaign the ad belongs to"

But the ad's creative is copied from previous ad's creative, I did not create the creative payload myself. What could be the problem?

Tag:facebook, facebook-graph-api

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