Send Google Form Submission to an Email address

google_form_email.js

/* Send Google Form by Email v2.1 */
 
/* For customization, contact the developer at [email protected] */
 
/* Tutorial: http://www.labnol.org/?p=20884 */
 
function Initialize() {
 
  var triggers = ScriptApp.getProjectTriggers();
 
  for(var i in triggers) {
    ScriptApp.deleteTrigger(triggers[i]);
  }
  
  ScriptApp.newTrigger("SendGoogleForm")
  .forSpreadsheet(SpreadsheetApp.getActiveSpreadsheet())
  .onFormSubmit()
  .create();
  
}
 
function SendGoogleForm(e) 
{  
  try 
  {      
    // You may replace this with another email address
    var email = Session.getActiveUser().getEmail();
    
    // Optional but change the following variable
    // to have a custom subject for Google Form email notifications
    var subject = "Google Docs Form Submitted";  
    
    var s = SpreadsheetApp.getActiveSheet();
    var columns = s.getRange(1,1,1,s.getLastColumn()).getValues()[0];    
    var message = "";    
    
    // Only include form fields that are not blank
    for ( var keys in columns ) {
      var key = columns[keys];
      if ( e.namedValues[key] && (e.namedValues[key] != "") ) {
        message += key + ' :: '+ e.namedValues[key] + "\n\n"; 
      }
    }
        
    // This is the MailApp service of Google Apps Script
    // that sends the email. You can also use GmailApp for HTML Mail.
    
    MailApp.sendEmail(email, subject, message); 
    
  } catch (e) {
    Logger.log(e.toString());
  }
    
}

Please help. We have been using the code above for several years now with no issues. All of a sudden, it's sending two emails for every response. We did add a couple questions of the form, taking us out to column "AL". Is there some limit set on the rows in a single email?