dashboard/sharedComponents/sidebar/layout.service.ts

@@ -339,6 +339,8 @@ export class LayoutService {
   }
 
   setRootClass(value: string = null): void {
+    if(this.rootClassSubject.value != value) {
       this.rootClassSubject.next(value);
     }
   }
+}

services/user-registry.service.ts

@@ -78,7 +78,7 @@ export class UserRegistryService {
   
   public cancelInvitation(type: string, id: string, email: string, role: "member" | "manager" = "manager"): Observable<any> {
     return this.http.delete<any>(properties.registryUrl + 'invite/' +
-      type + '/' + id + '/' + role + '/' + encodeURIComponent(email),
+        Role.GROUP + type + '/' + id + '/' + role + '/' + encodeURIComponent(email),
       CustomOptions.registryOptions());
   }
 }