Exception in rendering!

Message: Cannot read property 'current_event' of undefined

TypeError: Cannot read property 'current_event' of undefined
    at ExpoInfoForVAE (/tmp/execjs20170724-2688-uekj2ojs:93287:26)
    at ReactCompositeComponent._constructComponentWithoutOwner (/tmp/execjs20170724-2688-uekj2ojs:22968:15)
    at ReactCompositeComponent._constructComponent (/tmp/execjs20170724-2688-uekj2ojs:22944:20)
    at ReactCompositeComponent.mountComponent (/tmp/execjs20170724-2688-uekj2ojs:22847:22)
    at Object.ReactReconciler.mountComponent (/tmp/execjs20170724-2688-uekj2ojs:13083:36)
    at ReactCompositeComponent.performInitialMount (/tmp/execjs20170724-2688-uekj2ojs:23030:35)
    at ReactCompositeComponent.mountComponent (/tmp/execjs20170724-2688-uekj2ojs:22917:22)
    at Object.ReactReconciler.mountComponent (/tmp/execjs20170724-2688-uekj2ojs:13083:36)
    at ReactDOMComponent.ReactMultiChild.Mixin.mountChildren (/tmp/execjs20170724-2688-uekj2ojs:22050:45)
    at ReactDOMComponent.Mixin._createContentMarkup (/tmp/execjs20170724-2688-uekj2ojs:16173:33)