diff --git a/kdb-bot/src/bot_data/service/cache_service.py b/kdb-bot/src/bot_data/service/cache_service.py
index 31dcd73a..50d05e7e 100644
--- a/kdb-bot/src/bot_data/service/cache_service.py
+++ b/kdb-bot/src/bot_data/service/cache_service.py
@@ -5,12 +5,21 @@ from bot_data.model.server import Server
 
 class CacheService:
     def __init__(self):
-        self._cached_server = List(Server)
+        self._cached_servers = List(Server)
 
     @property
     def cached_server(self) -> List[Server]:
-        return self._cached_server
+        return self._cached_servers
 
-    @cached_server.setter
-    def cached_server(self, value: List[Server]):
-        self._cached_server = value
+    def add_server(self, server: Server):
+        if self._cached_servers.where(lambda x: x.id == server.id).count() > 0:
+            return
+        self._cached_servers.add(server)
+
+    def add_servers(self, servers: List[Server]):
+        new_ids = servers.select(lambda x: x.id)
+        for s in self._cached_servers:
+            if s.id in new_ids:
+                return
+
+        self._cached_servers.extend(servers)
diff --git a/kdb-bot/src/bot_data/service/server_repository_service.py b/kdb-bot/src/bot_data/service/server_repository_service.py
index 2d158fad..924cc036 100644
--- a/kdb-bot/src/bot_data/service/server_repository_service.py
+++ b/kdb-bot/src/bot_data/service/server_repository_service.py
@@ -26,7 +26,7 @@ class ServerRepositoryService(ServerRepositoryABC):
         for result in results:
             servers.append(Server(result[1], result[2], result[3], id=result[0]))
 
-        self._cache.cached_server = List(Server, servers)
+        self._cache.add_servers(servers)
         return servers
 
     def get_filtered_servers(self, criteria: ServerSelectCriteria) -> FilteredResult:
@@ -56,13 +56,14 @@ class ServerRepositoryService(ServerRepositoryABC):
 
     def get_server_by_id(self, server_id: int) -> Server:
         cs = self._cache.cached_server.where(lambda x: x.id == server_id).single_or_default()
+
         if cs is not None:
             return cs
 
         self._logger.trace(__name__, f"Send SQL command: {Server.get_select_by_id_string(server_id)}")
         result = self._context.select(Server.get_select_by_id_string(server_id))[0]
         server = Server(result[1], result[2], result[3], id=result[0])
-        self._cache.cached_server.add(server)
+        self._cache.add_server(server)
         return server
 
     def get_server_by_discord_id(self, discord_id: int) -> Server:
diff --git a/kdb-web/src/app/models/graphql/mutations.model.ts b/kdb-web/src/app/models/graphql/mutations.model.ts
index db95bd86..df3b539d 100644
--- a/kdb-web/src/app/models/graphql/mutations.model.ts
+++ b/kdb-web/src/app/models/graphql/mutations.model.ts
@@ -124,7 +124,7 @@ export class Mutations {
 
   static createAchievement = `
     mutation createAchievement($name: String, $attribute: String, $operator: String, $value: String, $serverId: ID) {
-      level {
+      achievement {
         createAchievement(input: { name: $name, attribute: $attribute, operator: $operator, value: $value, serverId: $serverId}) {
           id
           name
@@ -140,9 +140,9 @@ export class Mutations {
   `;
 
   static updateAchievement = `
-    mutation updateAchievement($name: String, $attribute: String, $operator: String, $value: String, $serverId: ID) {
-      level {
-        updateAchievement(input: { name: $name, attribute: $attribute, operator: $operator, value: $value}) {
+    mutation updateAchievement($id: ID, $name: String, $attribute: String, $operator: String, $value: String) {
+      achievement {
+        updateAchievement(input: { id: $id, name: $name, attribute: $attribute, operator: $operator, value: $value}) {
           id
           name
           attribute
@@ -155,8 +155,8 @@ export class Mutations {
 
   static deleteAchievement = `
     mutation deleteAchievement($id: ID) {
-      level {
-        deleteLevel(id: $id) {
+      achievement {
+        deleteAchievement(id: $id) {
           id
           name
         }
diff --git a/kdb-web/src/app/modules/view/server/achievements/components/achievement/achievement.component.html b/kdb-web/src/app/modules/view/server/achievements/components/achievement/achievement.component.html
index 83879d48..7bdfc233 100644
--- a/kdb-web/src/app/modules/view/server/achievements/components/achievement/achievement.component.html
+++ b/kdb-web/src/app/modules/view/server/achievements/components/achievement/achievement.component.html
@@ -18,7 +18,7 @@
 
           <div class="table-caption-btn-wrapper btn-wrapper">
             <button pButton label="{{'common.add' | translate}}" class="icon-btn btn"
-                    icon="pi pi-user-plus" (click)="addAchievement(dt)" [disabled]="isEditingNew || user?.isModerator && !user?.isAdmin">
+                    icon="pi pi-user-plus" (click)="addAchievement(dt)" [disabled]="isEditingNew || !user?.isModerator && !user?.isAdmin">
             </button>
             <button pButton label="{{'common.reset_filters' | translate}}" icon="pi pi-undo"
                     class="icon-btn btn" (click)="resetFilters()">
@@ -143,7 +143,7 @@
           <td>
             <p-cellEditor>
               <ng-template pTemplate="input">
-                <input class="table-edit-input" pInputText min="0" type="number" [(ngModel)]="achievement.operator">
+                <input class="table-edit-input" pInputText type="text" [(ngModel)]="achievement.operator">
               </ng-template>
               <ng-template pTemplate="output">
                 {{achievement.operator}}
@@ -186,14 +186,14 @@
             <div class="btn-wrapper">
               <app-history-btn *ngIf="!isEditingNew" [id]="achievement.id" [query]="query" translationKey="view.server.achievements.header"></app-history-btn>
               <button *ngIf="!editing" pButton pInitEditableRow class="btn icon-btn" icon="pi pi-pencil"
-                      (click)="onRowEditInit(dt, achievement, ri)" [disabled]="!user || user.isModerator && !user.isAdmin"></button>
+                      (click)="onRowEditInit(dt, achievement, ri)" [disabled]="!user || !user.isModerator && !user.isAdmin"></button>
               <button *ngIf="!editing" pButton class="btn icon-btn danger-icon-btn" icon="pi pi-trash"
-                      (click)="deleteAchievement(achievement)" [disabled]="!user || user.isModerator && !user.isAdmin"></button>
+                      (click)="deleteAchievement(achievement)" [disabled]="!user || !user.isModerator && !user.isAdmin"></button>
 
               <button *ngIf="editing" pButton pSaveEditableRow class="btn icon-btn"
-                      icon="pi pi-check-circle" (click)="onRowEditSave(dt, achievement, ri)" [disabled]="!user || user.isModerator && !user.isAdmin"></button>
+                      icon="pi pi-check-circle" (click)="onRowEditSave(dt, achievement, ri)" [disabled]="!user || !user.isModerator && !user.isAdmin"></button>
               <button *ngIf="editing" pButton pCancelEditableRow class="btn icon-btn danger-icon-btn"
-                      icon="pi pi-times-circle" (click)="onRowEditCancel(ri)" [disabled]="!user || user.isModerator && !user.isAdmin"></button>
+                      icon="pi pi-times-circle" (click)="onRowEditCancel(ri)" [disabled]="!user || !user.isModerator && !user.isAdmin"></button>
             </div>
           </td>
         </tr>
diff --git a/kdb-web/src/assets/i18n/de.json b/kdb-web/src/assets/i18n/de.json
index 4078a0be..70139bd4 100644
--- a/kdb-web/src/assets/i18n/de.json
+++ b/kdb-web/src/assets/i18n/de.json
@@ -280,7 +280,8 @@
       "dashboard": "Dashboard",
       "levels": "Level",
       "members": "Mitglieder",
-      "profile": "Dein Profil"
+      "profile": "Dein Profil",
+      "achievements": "Errungenschaften"
     },
     "server_empty": "Kein Server ausgewählt",
     "settings": "Einstellungen",