From 3ff04ddaac871ea0bddad299716c815ed8e001ff Mon Sep 17 00:00:00 2001
From: Ashish Aggarwal <ashish.aggarwal@autodesk.com>
Date: Tue, 20 Feb 2024 17:34:32 -0500
Subject: [PATCH] check for token

---
 .../ViewModels/Search/NodeAutoCompleteSearchViewModel.cs  | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/DynamoCoreWpf/ViewModels/Search/NodeAutoCompleteSearchViewModel.cs b/src/DynamoCoreWpf/ViewModels/Search/NodeAutoCompleteSearchViewModel.cs
index 7a9a8ac03f8..c4f7732753d 100644
--- a/src/DynamoCoreWpf/ViewModels/Search/NodeAutoCompleteSearchViewModel.cs
+++ b/src/DynamoCoreWpf/ViewModels/Search/NodeAutoCompleteSearchViewModel.cs
@@ -452,8 +452,12 @@ private MLNodeAutoCompletionResponse GetMLNodeAutocompleteResults(string request
                     var uri = DynamoUtilities.PathHelper.GetServiceBackendAddress(this, nodeAutocompleteMLEndpoint);
                     var client = new RestClient(uri);
                     var request = new RestRequest(string.Empty,Method.Post);
-
-                    request.AddHeader("Authorization",$"Bearer {tokenprovider?.GetAccessToken()}");
+                    var tkn = tokenprovider?.GetAccessToken();
+                    if (string.IsNullOrEmpty(tkn))
+                    {
+                        throw new Exception("Authentication required.");
+                    }
+                    request.AddHeader("Authorization",$"Bearer {tkn}");
                     request = request.AddJsonBody(requestJSON);
                     request.RequestFormat = DataFormat.Json;
                     RestResponse response = client.Execute(request);