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Zend_Form_Exception: Invalid validator provided to addValidator; must be string or Zend_Validate_Interface in /home/hobnectc/public_html/latest/application/libraries/Zend/Form/Element.php:1190
Stack trace:
#0 /home/hobnectc/public_html/latest/application/libraries/Zend/Form/Element/Captcha.php(126): Zend_Form_Element->addValidator(NULL, true)
#1 /home/hobnectc/public_html/latest/application/libraries/Zend/Form.php(1134): Zend_Form_Element_Captcha->__construct('captcha', Array)
#2 /home/hobnectc/public_html/latest/application/libraries/Engine/Form.php(263): Zend_Form->createElement('captcha', 'captcha', Array)
#3 /home/hobnectc/public_html/latest/application/libraries/Zend/Form.php(1043): Engine_Form->createElement('captcha', 'captcha', NULL)
#4 /home/hobnectc/public_html/latest/application/libraries/Engine/Form.php(247): Zend_Form->addElement('captcha', 'captcha', NULL)
#5 /home/hobnectc/public_html/latest/application/modules/Siterecaptcha/View/Helper/Recaptcha.php(24): Engine_Form->addElement('captcha', 'captcha', NULL)
#6 /home/hobnectc/public_html/latest/application/libraries/Zend/View/Abstract.php(349): Siterecaptcha_View_Helper_Recaptcha->recaptcha(Object(Sitebusiness_Form_TellAFriend))
#7 /home/hobnectc/public_html/latest/application/modules/Sitebusiness/Form/TellAFriend.php(90): Zend_View_Abstract->__call('recaptcha', Array)
#8 /home/hobnectc/public_html/latest/application/libraries/Zend/Form.php(239): Sitebusiness_Form_TellAFriend->init()
#9 /home/hobnectc/public_html/latest/application/libraries/Engine/Form.php(146): Zend_Form->__construct(NULL)
#10 /home/hobnectc/public_html/latest/application/modules/Sitebusiness/controllers/ProfileController.php(149): Engine_Form->__construct()
#11 /home/hobnectc/public_html/latest/application/libraries/Zend/Controller/Action.php(516): Sitebusiness_ProfileController->tellAFriendAction()
#12 /home/hobnectc/public_html/latest/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('tellAFriendActi...')
#13 /home/hobnectc/public_html/latest/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#14 /home/hobnectc/public_html/latest/application/modules/Core/Bootstrap.php(86): Zend_Controller_Front->dispatch()
#15 /home/hobnectc/public_html/latest/application/libraries/Engine/Application.php(160): Core_Bootstrap->run()
#16 /home/hobnectc/public_html/latest/application/index.php(224): Engine_Application->run()
#17 /home/hobnectc/public_html/latest/boot.php(47): include('/home/hobnectc/...')
#18 /home/hobnectc/public_html/latest/index.php(24): Engine_Boot->boot()
#19 {main}