I'm trying to update the content of a free-form landing page. The URL I'm using is
where 1865 is Landing page ID and 1912 is the content ID.
content type: application/x-www-form-urlencoded
and body consists of : type=Image&value=13590
I'm getting an error code 709 and message :
Operation is only allowed on draft landing page content
Can someone help me through
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