improving error message on batch item processing

lib/screens/groups/models/group_batch_model.g.dart

@@ -62,6 +62,8 @@ GroupBatchItem _$GroupBatchItemFromJson(Map<String, dynamic> json) =>
       providerLabel: json['providerLabel'] as String?,
       providerImage: json['providerImage'] as String?,
       creditAddress: json['creditAddress'] as String?,
+      confirmError: json['confirmError'] as String?,
+      integrationError: json['integrationError'] as String?,
     );
 
 Map<String, dynamic> _$GroupBatchItemToJson(GroupBatchItem instance) =>
@@ -75,6 +77,8 @@ Map<String, dynamic> _$GroupBatchItemToJson(GroupBatchItem instance) =>
       'status': instance.status,
       'transactionId': instance.transactionId,
       'errorMessage': instance.errorMessage,
+      'confirmError': instance.confirmError,
+      'integrationError': instance.integrationError,
       'createdAt': instance.createdAt,
       'billName': instance.billName,
       'billProductName': instance.billProductName,