fix~

src/main/java/au/com/royalpay/payment/manage/merchants/core/impls/ClientManagerImpl.java

@@ -2071,7 +2071,7 @@ public class ClientManagerImpl implements ClientManager, ManagerTodoNoticeProvid
             throw new InvalidShortIdException();
         }
         checkOrgPermission(manager, client);
-        if (!StringUtils.isNotBlank(master_merchant)) {
+        if (StringUtils.isNotBlank(master_merchant)) {
             //throw new NotFoundException("Invalid Input");
             JSONObject master_client = getClientInfoByMoniker(master_merchant);
             if (master_client == null) {