Request ID: 00-d75aa5651ffdd6812d77ca17783d7d6f-faf043c3f0308e4c-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.