diff --git a/website/client/components/group-plans/index.vue b/website/client/components/group-plans/index.vue
index f30dead42b..7674d4b6f9 100644
--- a/website/client/components/group-plans/index.vue
+++ b/website/client/components/group-plans/index.vue
@@ -32,13 +32,20 @@ export default {
       user: 'user.data',
       groupPlans: 'groupPlans',
     }),
-    isLeader () {
+    currentGroup () {
       let groupFound = this.groupPlans.find(group => {
         return group._id === this.groupId;
       });
 
-      if (!groupFound) return false;
-      return groupFound.leader === this.user._id;
+      return groupFound;
+    },
+    isLeader () {
+      if (!this.currentGroup) return false;
+      return this.currentGroup.leader === this.user._id;
+    },
+    isManager () {
+      if (!this.currentGroup) return false;
+      return Boolean(this.currentGroup.managers[this.user._id]);
     },
   },
 };
diff --git a/website/client/components/groups/membersModal.vue b/website/client/components/groups/membersModal.vue
index 3630a69e10..769208d56d 100644
--- a/website/client/components/groups/membersModal.vue
+++ b/website/client/components/groups/membersModal.vue
@@ -40,11 +40,11 @@ div
               span.dropdown-icon-item
                 .svg-icon.inline(v-html="icons.starIcon")
                 span.text {{$t('promoteToLeader')}}
-            b-dropdown-item(@click='addManager(member)', v-if='isLeader && groupIsSubscribed')
+            b-dropdown-item(@click='addManager(member._id)', v-if='isLeader && groupIsSubscribed')
               span.dropdown-icon-item
                 .svg-icon.inline(v-html="icons.starIcon")
                 span.text {{$t('addManager')}}
-            b-dropdown-item(@click='removeManager(member)', v-if='isLeader && groupIsSubscribed')
+            b-dropdown-item(@click='removeManager(member._id)', v-if='isLeader && groupIsSubscribed')
               span.dropdown-icon-item
                 .svg-icon.inline(v-html="icons.removeIcon")
                 span.text {{$t('removeManager2')}}
diff --git a/website/client/components/settings/promoCode.vue b/website/client/components/settings/promoCode.vue
index db25538a84..d6184bf76c 100644
--- a/website/client/components/settings/promoCode.vue
+++ b/website/client/components/settings/promoCode.vue
@@ -23,8 +23,10 @@
 <script>
 import axios from 'axios';
 import { mapState } from 'client/libs/store';
+import notifications from 'client/mixins/notifications';
 
 export default {
+  mixins: [notifications],
   data () {
     return {
       codes: {
@@ -51,10 +53,12 @@ export default {
       //   })
     },
     async enterCoupon () {
-      let code = await axios.get(`/api/v3/coupons/enter/${this.couponCode}`);
+      let code = await axios.post(`/api/v3/coupons/enter/${this.couponCode}`);
       if (!code) return;
-      // @TODO: what needs to be updated? User.sync();
-      // @TODO: mixin Notification.text(env.t('promoCodeApplied'));
+
+      this.$store.state.user.data = code.data.data;
+
+      this.text(this.$t('promoCodeApplied'));
     },
   },
 };
diff --git a/website/client/components/shops/quests/questDialogContent.vue b/website/client/components/shops/quests/questDialogContent.vue
index 3d686b28be..4bff1a058c 100644
--- a/website/client/components/shops/quests/questDialogContent.vue
+++ b/website/client/components/shops/quests/questDialogContent.vue
@@ -19,7 +19,6 @@
   }
 
   .text {
-    max-height: 220px;
     margin-bottom: 8px;
     overflow-y: scroll;
     text-overflow: ellipsis;
diff --git a/website/client/components/shops/timeTravelers/index.vue b/website/client/components/shops/timeTravelers/index.vue
index aa1fa57174..39480f6adc 100644
--- a/website/client/components/shops/timeTravelers/index.vue
+++ b/website/client/components/shops/timeTravelers/index.vue
@@ -83,7 +83,6 @@
                   @click.prevent.stop="togglePinned(ctx.item)"
                 )
                   span.svg-icon.inline.icon-12.color(v-html="icons.pin")
-
 </template>
 
 <style lang="scss">
diff --git a/website/common/script/libs/getItemInfo.js b/website/common/script/libs/getItemInfo.js
index 5440e76bcb..21c4772191 100644
--- a/website/common/script/libs/getItemInfo.js
+++ b/website/common/script/libs/getItemInfo.js
@@ -219,6 +219,7 @@ module.exports = function getItemInfo (user, type, item, officialPinnedItems, la
       break;
     case 'mystery_set':
       itemInfo = {
+        items: item.items,
         key: item.key,
         text: item.text(language),
         value: 1,
diff --git a/website/server/controllers/api-v3/groups.js b/website/server/controllers/api-v3/groups.js
index 74666a5f78..4de8c39afb 100644
--- a/website/server/controllers/api-v3/groups.js
+++ b/website/server/controllers/api-v3/groups.js
@@ -1287,7 +1287,7 @@ api.getGroupPlans = {
       .find({
         _id: {$in: userGroups},
       })
-      .select('leaderOnly leader purchased name')
+      .select('leaderOnly leader purchased name managers')
       .exec();
 
     let groupPlans = groups.filter(group => {