HTTP Response 403 - Forbidden
Cause
When you experience a 403 HTTP Response by executing any API Factory endpoint you most likely have an inactive "dynamic" ICF Node.
Example
This error might show up when you want to search for Selection Screen Variants in the Card/Tile Action Type ABAP Report:
Solution
You must activate this ICF Subnode to resolve the error. For more information, see API Factory - ICF Subnode