CloudPage-exception-logging.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.");
    Variable.SetValue("@err",errorMsg);
  }
</script>

%%[
if not empty(@err) then
InsertData('ent.ErrorLogging','SubscriberKey',_SubscriberKey,'MID',memberid,'error',@err)
endif
]%%