diff --git a/src/app/searchPages/communities/searchCommunities.component.ts b/src/app/searchPages/communities/searchCommunities.component.ts
index c8f6ee9..7bf56b9 100644
--- a/src/app/searchPages/communities/searchCommunities.component.ts
+++ b/src/app/searchPages/communities/searchCommunities.component.ts
@@ -167,7 +167,7 @@ export class SearchCommunitiesComponent {
       if (result.status == 'hidden') {
         continue;
       } else if (result.status == "manager") {
-        let mail = this.user.email;
+        let mail = (this.user)?this.user.email:null;
         if (mail == null) { // no user
           continue;
         } else if (Session.isCommunityCurator(this.user) || Session.isPortalAdministrator(this.user)) {
diff --git a/src/assets/env-properties.json b/src/assets/env-properties.json
index 6b823de..067b5a8 100644
--- a/src/assets/env-properties.json
+++ b/src/assets/env-properties.json
@@ -37,9 +37,9 @@
 
   "piwikBaseUrl" :"https://analytics.openaire.eu/piwik.php?idsite=",
   "piwikSiteId" : "80",
-  "loginUrl" :"http://rudie.di.uoa.gr:8280/dnet-login/openid_connect_login",
+  "loginUrl" :"http://rudie.di.uoa.gr:8080/dnet-login/openid_connect_login",
 
-  "userInfoUrl" : "http://rudie.di.uoa.gr:8280/dnet-openaire-users-1.0.0-SNAPSHOT/api/users/getUserInfo?accessToken=",
+  "userInfoUrl" : "http://rudie.di.uoa.gr:8080/dnet-openaire-users-1.0.0-SNAPSHOT/api/users/getUserInfo?accessToken=",
 
   "logoutUrl" :"https://aai.openaire.eu/proxy/saml2/idp/SingleLogoutService.php?ReturnTo=",