Fatal error: Declaration of RulesConditionalEmptyUI::form(&$form, &$form_state, $options = Array) must be compatible with RulesContainerPluginUI::form(&$form, &$form_state, $options = Array, $iterator = NULL) in /home/aegir/platforms/commerce/sites/all/modules/contrib/rules_conditional/includes/rules_conditional.ui.inc on line 56