I am following Eliot Harper's answer on this thread.
His code in "Delete All Records" works fine for me, but his code from "Delete Single Record" results in a 500.
I included snippets from his answer below for reference
(500 Error) Delete Single Record
<script runat="server"> var deleteRow = Platform.Function.DeleteData('AutoSuppressionExternalKey',['Email Address'],['email@example.com']); </script>
(Works Fine) Delete All Records
It seems to be working fine for other people, so I am not sure what is going on.
Note: I cannot comment on the original thread because I don't have enough reputation.