diff --git a/backend/src/apis/humhub/HumHubClient.ts b/backend/src/apis/humhub/HumHubClient.ts
index 6fe04e719..42fe598c2 100644
--- a/backend/src/apis/humhub/HumHubClient.ts
+++ b/backend/src/apis/humhub/HumHubClient.ts
@@ -1,4 +1,3 @@
-import { User } from '@entity/User'
 import { SignJWT } from 'jose'
 import { IRequestOptions, IRestResponse, RestClient } from 'typed-rest-client'
 
@@ -6,6 +5,7 @@ import { CONFIG } from '@/config'
 import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
+import { PostUserLoggingView } from './logging/PostUserLogging.view'
 import { GetUser } from './model/GetUser'
 import { PostUser } from './model/PostUser'
 import { UsersResponse } from './model/UsersResponse'
@@ -59,9 +59,8 @@ export class HumHubClient {
     return token
   }
 
-  public async createAutoLoginUrl(user: User) {
+  public async createAutoLoginUrl(username: string) {
     const secret = new TextEncoder().encode(CONFIG.HUMHUB_JWT_KEY)
-    const username = user.alias ?? user.gradidoID
     logger.info(`user ${username} as username for humhub auto-login`)
     const token = await new SignJWT({ username })
       .setProtectedHeader({ alg: 'HS256' })
@@ -109,6 +108,11 @@ export class HumHubClient {
     return this.restClient.get<GetUser>('/api/v1/user/get-by-email', options)
   }
 
+  public async userByUsernameAsync(username: string): Promise<IRestResponse<GetUser>> {
+    const options = await this.createRequestOptions({ username })
+    return this.restClient.get<GetUser>('/api/v1/user/get-by-username', options)
+  }
+
   /**
    * get user by username
    * https://marketplace.humhub.com/module/rest/docs/html/user.html#tag/User/paths/~1user~1get-by-username/get
@@ -130,7 +134,7 @@ export class HumHubClient {
    * @param user for saving on humhub instance
    */
   public async createUser(user: PostUser): Promise<void> {
-    logger.info('create new humhub user', user)
+    logger.info('create new humhub user', new PostUserLoggingView(user))
     const options = await this.createRequestOptions()
     try {
       const response = await this.restClient.create('/api/v1/user', user, options)
@@ -153,7 +157,7 @@ export class HumHubClient {
    * @returns updated user object on success
    */
   public async updateUser(user: PostUser, humhubUserId: number): Promise<GetUser | null> {
-    logger.info('update humhub user', user)
+    logger.info('update humhub user', new PostUserLoggingView(user))
     const options = await this.createRequestOptions()
     const response = await this.restClient.update<GetUser>(
       `/api/v1/user/${humhubUserId}`,
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index a5309f3fd..056cf15c2 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -168,7 +168,7 @@ export class UserResolver {
     let humhubUserPromise: Promise<IRestResponse<GetUser>> | undefined
     const klicktippStatePromise = getKlicktippState(dbUser.emailContact.email)
     if (CONFIG.HUMHUB_ACTIVE && dbUser.humhubAllowed) {
-      humhubUserPromise = HumHubClient.getInstance()?.userByEmailAsync(email)
+      humhubUserPromise = HumHubClient.getInstance()?.userByUsernameAsync(email)
     }
 
     if (dbUser.passwordEncryptionType !== PasswordEncryptionType.GRADIDO_ID) {
@@ -726,7 +726,15 @@ export class UserResolver {
     if (!humhubClient) {
       throw new LogError('cannot create humhub client')
     }
-    return await humhubClient.createAutoLoginUrl(dbUser)
+    const username = dbUser.alias ?? dbUser.gradidoID
+    const humhubUser = await humhubClient.userByUsername(username)
+    if (!humhubUser) {
+      throw new LogError("user don't exist (any longer) on humhub")
+    }
+    if (humhubUser.account.status !== 1) {
+      throw new LogError('user status is not 1', humhubUser.account.status)
+    }
+    return await humhubClient.createAutoLoginUrl(username)
   }
 
   @Authorized([RIGHTS.SEARCH_ADMIN_USERS])
diff --git a/backend/src/graphql/resolver/util/syncHumhub.ts b/backend/src/graphql/resolver/util/syncHumhub.ts
index 7a964331c..73ec755ee 100644
--- a/backend/src/graphql/resolver/util/syncHumhub.ts
+++ b/backend/src/graphql/resolver/util/syncHumhub.ts
@@ -28,7 +28,7 @@ export async function syncHumhub(
     return
   }
   logger.debug('retrieve user from humhub')
-  const humhubUser = await humhubClient.userByEmail(user.emailContact.email)
+  const humhubUser = await humhubClient.userByUsername(user.alias ?? user.gradidoID)
   const humhubUsers = new Map<string, GetUser>()
   if (humhubUser) {
     humhubUsers.set(user.emailContact.email, humhubUser)
diff --git a/frontend/src/pages/Circles.vue b/frontend/src/pages/Circles.vue
index 7e23c89c3..ab91b9fe2 100644
--- a/frontend/src/pages/Circles.vue
+++ b/frontend/src/pages/Circles.vue
@@ -59,8 +59,11 @@ export default {
           this.enableButton = true
         })
         .catch(() => {
-          this.toastError('authenticateHumhubAutoLogin failed!')
+          // this.toastError('authenticateHumhubAutoLogin failed!')
           this.enableButton = true
+          // something went wrong with login link so we disable humhub
+          this.$store.commit('humhubAllowed', false)
+          this.$router.push('/settings/extern')
         })
     },
   },
diff --git a/frontend/src/pages/Settings.vue b/frontend/src/pages/Settings.vue
index d517feb20..8a0a39f8d 100644
--- a/frontend/src/pages/Settings.vue
+++ b/frontend/src/pages/Settings.vue
@@ -80,9 +80,9 @@
         </b-row>
       </b-tab>
       <div v-if="isCommunityService">
-        <b-tab :title="$t('settings.community')">
+        <b-tab class="community-service-tabs" :title="$t('settings.community')">
           <div class="h2">{{ $t('settings.allow-community-services') }}</div>
-          <div v-if="isHumhub" class="">
+          <div v-if="isHumhub" class="mt-3">
             <b-row>
               <b-col cols="12" md="6" lg="6">
                 <div class="h3">{{ $t('Humhub.title') }}</div>
@@ -113,7 +113,7 @@
               </b-col>
             </b-row>
           </div>
-          <div v-if="isGMS">
+          <div v-if="isGMS" class="mt-3">
             <b-row>
               <b-col cols="12" md="6" lg="6">
                 <div class="h3 text-muted">{{ $t('GMS.title') }}</div>
@@ -129,7 +129,7 @@
                 />
               </b-col>
             </b-row>
-            <div class="h4 mt-3">{{ $t('GMS.desc') }}</div>
+            <div class="h4 mt-3 text-muted">{{ $t('GMS.desc') }}</div>
             <div v-if="gmsAllowed">
               <b-row class="mb-4">
                 <b-col cols="12" md="6" lg="6">
@@ -287,6 +287,9 @@ export default {
 }
 </script>
 <style>
+.community-service-tabs {
+  min-height: 315px;
+}
 .card-border-radius {
   border-radius: 0px 5px 5px 0px !important;
 }