diff --git a/lib/src/form/src/controller.dart b/lib/src/form/src/controller.dart
index 26b3ab5..e5914a5 100644
--- a/lib/src/form/src/controller.dart
+++ b/lib/src/form/src/controller.dart
@@ -310,7 +310,7 @@ class AstromicFormController extends FormController {
         FormGroupInstance(
           composedID: pr + standeredGroupFormat(formGroupID, i.toString(), ''),
           fields: Map<String, String>.fromEntries(fieldsIDs
-              .map((String id) => MapEntry<String, String>(pr + standeredGroupFormat(formGroupID, i.toString(), id), value(pr + standeredGroupFormat(formGroupID, i.toString(), id))))
+              .map((String id) => MapEntry<String, String>(pr + standeredGroupFormat(formGroupID, i.toString(), id), tryValue(pr + standeredGroupFormat(formGroupID, i.toString(), id)) ?? ''))
               .toList()),
           values: valuesIDs.isNotEmpty
               ? Map<String, dynamic>.fromEntries(valuesIDs