Warning: Each child in a list should have a unique "key" prop.

Check the render method of `DomainExplorerDashboard`. See https://fb.me/react-warning-keys for more information.
in BreadcrumbItem (created by DomainExplorerDashboard)
in DomainExplorerDashboard (created by Context.Consumer)
in Route (created by Dashboard)
in Switch (created by Dashboard)
in main (created by Page)
in div (created by Page)
in Page (created by Dashboard)
in Dashboard (created by Context.Consumer)
in Route (created by BaseLayout)
in Switch (created by BaseLayout)
in Router (created by BrowserRouter)
in BrowserRouter (created by BaseLayout)
in BaseLayout
in ApolloProvider

react_devtools_backend.js:6 Warning: validateDOMNesting(...): <a> cannot appear as a descendant of <a>.
in a (created by LinkAnchor)
in LinkAnchor (created by Context.Consumer)
in Link (created by DomainExplorerDashboard)
in a (created by BreadcrumbItem)
in li (created by BreadcrumbItem)
in BreadcrumbItem (created by DomainExplorerDashboard)
in ol (created by Breadcrumb)
in nav (created by Breadcrumb)
in Breadcrumb (created by Context.Consumer)
in ComponentWithOuia (created by Context.Consumer)
in Unknown (created by DomainExplorerDashboard)
in section (created by PageSection)
in PageSection (created by DomainExplorerDashboard)
in DomainExplorerDashboard (created by Context.Consumer)
in Route (created by Dashboard)
in Switch (created by Dashboard)
in main (created by Page)
in div (created by Page)