Fix 'Edit Contact Information' link on contact dashboard

Exception: "Cannot determine default context. CRM_Contact_Form_RelatedContact should implement getDefaultContext()."

#0 /home/yashodha/git/civicrm/CRM/Core/Form.php(1375): CRM_Core_Form->getDefaultContext() #1 /home/yashodha/git/civicrm/CRM/Contact/Form/Edit/Address.php(70): CRM_Core_Form->addField("address[1][location_type_id]", (Array:5), FALSE) #2 /home/yashodha/git/civicrm/CRM/Contact/BAO/Contact/Utils.php(538): CRM_Contact_Form_Edit_Address::buildQuickForm(Object(CRM_Contact_Form_RelatedContact)) #3 /home/yashodha/git/civicrm/CRM/Contact/Form/RelatedContact.php(126): CRM_Contact_BAO_Contact_Utils::buildOnBehalfForm(Object(CRM_Contact_Form_RelatedContact), "Individual", "", "", "Contact Information") #4 /home/yashodha/git/civicrm/CRM/Core/Form.php(564): CRM_Contact_Form_RelatedContact->buildQuickForm() #5 /home/yashodha/git/civicrm/CRM/Core/QuickForm/Action/Display.php(92): CRM_Core_Form->buildForm() #6 /home/yashodha/git/civicrm/packages/HTML/QuickForm/Controller.php(203): CRM_Core_QuickForm_Action_Display->perform(Object(CRM_Contact_Form_RelatedContact), "display") #7 /home/yashodha/git/civicrm/packages/HTML/QuickForm/Page.php(103): HTML_QuickForm_Controller->handle(Object(CRM_Contact_Form_RelatedContact), "display") #8 /home/yashodha/git/civicrm/CRM/Core/Controller.php(351): HTML_QuickForm_Page->handle("display") #9 /home/yashodha/git/civicrm/CRM/Utils/Wrapper.php(113): CRM_Core_Controller->run() #10 /home/yashodha/git/civicrm/CRM/Core/Invoke.php(283): CRM_Utils_Wrapper->run("CRM_Contact_Form_RelatedContact", "Edit Related Contact", NULL) #11 /home/yashodha/git/civicrm/CRM/Core/Invoke.php(84): CRM_Core_Invoke::runItem((Array:14)) #12 /home/yashodha/git/civicrm/CRM/Core/Invoke.php(52): CRM_Core_Invoke::_invoke((Array:3)) #13 /home/yashodha/git/civicrm/drupal/civicrm.module(448): CRM_Core_Invoke::invoke((Array:3)) #14 [internal function](): civicrm_invoke("contact", "relatedcontact?action=update") #15 /var/www/html/drupal/includes/menu.inc(527): call_user_func_array("civicrm_invoke", (Array:2)) #16 /var/www/html/drupal/index.php(21): menu_execute_active_handler() #17 {main}  Sorry, due to an error, we are unable to fulfill your request at the moment. You may want to contact your administrator or service provider with more details about what action you were performing when this occurred. Cannot determine default context. CRM_Contact_Form_RelatedContact should implement getDefaultContext().