Issue: Unsupported operand types - vault/core/model/attach/vw.php:299

Error: Unsupported operand types - vault/core/model/attach/vw.php:299 
Generated By: Alfa, A moment ago

Stack Trace
#0 /vault/core/model/ui/tab/attach/vw.php(30): vw_Attach_Model->space_is_available(1)
#1 /vault/core/model/ui/tab/vw.php(58): vw_UI_Tab_Attach_Model->can_create_tab(Array, Array)
#2 /vault/core/controller/ui/index/vw.php(138): vw_UI_Tab_Model->check('can_create_tab', Array)
#3 /vault/core/model/plugins/general/vw.php(183): vw_UI_Index_Controller->can_create('Attach')
#4 /library/vw/XenForo/CodeEventListener/Public.php(81): vw_Plugins_General_Model->get_nav_links(true)
#5 /library/XenForo/CodeEvent.php(90): vw_XenForo_CodeEventListener_Public::navigation_tabs(Array, 'forums')
#6 /library/XenForo/Dependencies/Public.php(495): XenForo_CodeEvent::fire('navigation_tabs', Array)
#7 /library/XenForo/Dependencies/Public.php(371): XenForo_Dependencies_Public->_getNavigationContainerParams('forums')
#8 /library/XenForo/FrontController.php(635): XenForo_Dependencies_Public->getEffectiveContainerParams(Array, Object(Zend_Controller_Request_Http))
#9 /library/XenForo/FrontController.php(158): XenForo_FrontController->renderView(Object(XenForo_ControllerResponse_View), Object(XenForo_ViewRenderer_HtmlPublic), Array)
#10 /index.php(13): XenForo_FrontController->run()
#11 {main}
Request State
array(3) {
  ["url"] => string(36) "https://site.com/index.php"
  ["_GET"] => array(0) {
  }
  ["_POST"] => array(0) {
  }
}