Request ID: 00-9697c3b3f5b1ce566e5c7eea62291b92-7947b5928da6d9ad-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.