Request ID: 00-f27d9a42cb0292a1a6bb8475cfa78bfb-d7143f3a07b33671-00
A second operation was started on this context instance before a previous operation completed. This is usually caused by different threads concurrently using the same instance of DbContext. For more information on how to avoid threading issues with DbContext, see https://go.microsoft.com/fwlink/?linkid=2097913.