CloudPage-exception-logging-ssjs.html

<script runat="server">
  Platform.Load("Core","1.1.1");
  try{
</script>

{{your script goes here}}

<script runat="server">
  }catch(e){
    var errorMsg = Stringify(e.message)
    Write("Oops, something went wrong!<br>Please contact info@email.com so we can help you finalize your request.");
    var targetDE = 'xxxxxxx-xxxxxxx-xxxxxxxxx'; //pass external key of the target DE      
	  var logDE = DataExtension.Init(targetDE);
    logDE.Rows.Add({ Error: errorMsg });
  }
</script>