Admin display connected to backend.

sports-matcher/client/src/components/AuthenticationGuard.js

@@ -16,6 +16,9 @@ export default class AuthenticationGuard extends React.Component {
         } else if (userDataResponse.status == 401) {
             this.context.navigate("/signup", { replace: true });
         }
+    }
+
+    componentDidUpdate() {
         if (this.context.user && this.context.user.accessLevel < this.props.accessLevel) {
             this.context.navigate("/", { replace: true });
         }