diff --git a/packages/basic.gblib/services/DialogKeywords.ts b/packages/basic.gblib/services/DialogKeywords.ts
index 5ee76c79..97d593fa 100644
--- a/packages/basic.gblib/services/DialogKeywords.ts
+++ b/packages/basic.gblib/services/DialogKeywords.ts
@@ -40,6 +40,7 @@ import { GBDeployer } from '../../core.gbapp/services/GBDeployer';
 import { SecService } from '../../security.gbapp/services/SecService';
 import { SystemKeywords } from './SystemKeywords';
 var DateDiff = require('date-diff');
+const { DateTime } = require("luxon");
 
 
 /**