I get the following error and backtrace. If I disable the Formal title option in Admin Display Settings then I dont' get the error.
Exception: "Unsupported html-element "
#0 /home/saintfran/www/www/sites/all/modules/civicrm/CRM/Contact/Form/Edit/Individual.php(81): CRM_Core_Form->addField("formal_title", (Array:0))
#1 /home/saintfran/www/www/sites/all/modules/civicrm/CRM/Contact/Form/Contact.php(766): CRM_Contact_Form_Edit_Individual::buildQuickForm(Object(CRM_Contact_Form_Contact))
#2 /home/saintfran/www/www/sites/all/modules/civicrm/CRM/Core/Form.php(540): CRM_Contact_Form_Contact->buildQuickForm()
#3 /home/saintfran/www/www/sites/all/modules/civicrm/CRM/Core/QuickForm/Action/Display.php(92): CRM_Core_Form->buildForm()
#4 /home/saintfran/www/www/sites/all/modules/civicrm/packages/HTML/QuickForm/Controller.php(203): CRM_Core_QuickForm_Action_Display->perform(Object(CRM_Contact_Form_Contact), "display")
#5 /home/www/www/sites/all/modules/civicrm/packages/HTML/QuickForm/Page.php(103): HTML_QuickForm_Controller->handle(Object(CRM_Contact_Form_Contact), "display")
#6 /home/www/www/sites/all/modules/civicrm/CRM/Core/Controller.php(351): HTML_QuickForm_Page->handle("display")
#7 /home/www/www/sites/all/modules/civicrm/CRM/Utils/Wrapper.php(113): CRM_Core_Controller->run()
#8 /home/www/www/sites/all/modules/civicrm/CRM/Core/Invoke.php(286): CRM_Utils_Wrapper->run("CRM_Contact_Form_Contact", "New Contact", (Array:1))
#9 /home/www/www/sites/all/modules/civicrm/CRM/Core/Invoke.php(86): CRM_Core_Invoke::runItem((Array:13))
#10 /home/www/www/sites/all/modules/civicrm/CRM/Core/Invoke.php(54): CRM_Core_Invoke::_invoke((Array:3))
#11 /home/www/www/sites/all/modules/civicrm/drupal/civicrm.module(454): CRM_Core_Invoke::invoke((Array:3))
#12 [internal function](): civicrm_invoke("contact", "add")
#13 /home/www/www/includes/menu.inc(527): call_user_func_array("civicrm_invoke", (Array:2))
#14 /home/www/www/index.php(21): menu_execute_active_handler()
#15 {main}