diff --git a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs
index 0b17b492..2ae0d1a3 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/FileRepository/FileRepository.Conversation.cs
@@ -206,8 +206,13 @@ namespace BotSharp.Core.Repository
             var records = new List<Conversation>();
             var dir = Path.Combine(_dbSettings.FileRepository, _conversationSettings.DataDir);
             var pager = filter?.Pager ?? new Pagination();
-            var totalDirs = Directory.GetDirectories(dir);
 
+            if (!Directory.Exists(dir))
+            {
+                Directory.CreateDirectory(dir);
+            }
+
+            var totalDirs = Directory.GetDirectories(dir);
             foreach (var d in totalDirs)
             {
                 var path = Path.Combine(d, CONVERSATION_FILE);
diff --git a/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs b/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs
index 7d6796c5..5d744f8e 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs
@@ -32,7 +32,7 @@ public static class BotSharpOpenApiExtensions
 
         // Add bearer authentication
         var schema = "MIXED_SCHEME";
-        services.AddAuthentication(options =>
+        var builder = services.AddAuthentication(options =>
         {
             // custom scheme defined in .AddPolicyScheme() below
             // inspired from https://weblog.west-wind.com/posts/2022/Mar/29/Combining-Bearer-Token-and-Cookie-Auth-in-ASPNET
@@ -59,11 +59,6 @@ public static class BotSharpOpenApiExtensions
             }
         }).AddCookie(options =>
         {
-        }).AddGitHub(options =>
-        {
-            options.ClientId = config["OAuth:GitHub:ClientId"];
-            options.ClientSecret = config["OAuth:GitHub:ClientSecret"];
-            options.Scope.Add("user:email");
         }).AddPolicyScheme(schema, "Mixed authentication", options =>
         {
             // runs on each request
@@ -85,6 +80,16 @@ public static class BotSharpOpenApiExtensions
             };
         });
 
+        if (!string.IsNullOrWhiteSpace(config["OAuth:GitHub:ClientId"]) && !string.IsNullOrWhiteSpace(config["OAuth:GitHub:ClientSecret"]))
+        {
+            builder = builder.AddGitHub(options =>
+             {
+                 options.ClientId = config["OAuth:GitHub:ClientId"];
+                 options.ClientSecret = config["OAuth:GitHub:ClientSecret"];
+                 options.Scope.Add("user:email");
+             });
+        }
+
         // Add services to the container.
         services.AddControllers()
             .AddJsonOptions(options =>
@@ -106,18 +111,18 @@ public static class BotSharpOpenApiExtensions
                     Type = SecuritySchemeType.ApiKey
                 });
                 c.AddSecurityRequirement(new OpenApiSecurityRequirement {
-               {
-                 new OpenApiSecurityScheme
-                 {
-                   Reference = new OpenApiReference
                    {
-                     Type = ReferenceType.SecurityScheme,
-                     Id = "Bearer"
+                     new OpenApiSecurityScheme
+                     {
+                       Reference = new OpenApiReference
+                       {
+                         Type = ReferenceType.SecurityScheme,
+                         Id = "Bearer"
+                       }
+                      },
+                      Array.Empty<string>()
                    }
-                  },
-                  Array.Empty<string>()
-                }
-              });
+                });
             }
         );