Exception in rendering!

Message: navigator is not defined

ReferenceError: navigator is not defined
    at Utils.isFacebookApp (<eval>:53542:14)
    at PatchworkImageGrid.render (<eval>:53983:36)
    at ReactCompositeComponentMixin._renderValidatedComponentWithoutOwnerOrContext (<eval>:7613:35)
    at ReactCompositeComponentMixin._renderValidatedComponent (<eval>:7633:33)
    at ReactCompositeComponentMixin.mountComponent (<eval>:7246:31)
    at Object.ReactReconciler.mountComponent (<eval>:5564:36)
    at ReactDOMComponent.ReactMultiChild.Mixin.mountChildren (<eval>:14088:45)
    at ReactDOMComponent.Mixin._createContentMarkup (<eval>:11277:33)
    at ReactDOMComponent.Mixin.mountComponent (<eval>:11167:30)
    at Object.ReactReconciler.mountComponent (<eval>:5564:36)