I am trying to delete all the email addresses from auto suppression list that are in there for more than x days.
I have reviewed the response to a similar issue here Remove subscribers from Auto Suppression List but I am receiving an error while initializing the auto suppression list
The script works fine When I use any exiting data extension's "External Key" while initializing but throws 500 error when using auto suppression's external key. I am running the script in cloud page.
Since auto suppression list is a Data Extension, we should be able to initialize it.
Can someone please advise.