server/AyaNova/Controllers/LogoController.cs

@@ -85,15 +85,19 @@ namespace AyaNova.Api.Controllers
             switch (size)
             {
                 case "small":
+                    if (logo.Small == null)
+                        return NotFound();
                     return new FileStreamResult(new MemoryStream(logo.Small), Microsoft.Net.Http.Headers.MediaTypeHeaderValue.Parse(logo.SmallType));
 
                 case "medium":
+                    if (logo.Medium == null)
+                        return NotFound();
                     return new FileStreamResult(new MemoryStream(logo.Medium), Microsoft.Net.Http.Headers.MediaTypeHeaderValue.Parse(logo.MediumType));
 
                 case "large":
+                    if (logo.Large == null)
+                        return NotFound();
                     return new FileStreamResult(new MemoryStream(logo.Large), Microsoft.Net.Http.Headers.MediaTypeHeaderValue.Parse(logo.LargeType));
-
-
             }
             return NotFound(new ApiErrorResponse(ApiErrorCode.NOT_FOUND));
         }