Request ID: 00-45abd3e978ade7ae8731511542cb45a4-51a9d9b0744451d4-00
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.