Request ID: 00-e7b422485c7b4bce6f6a6b35cc5aa3ca-3a9540a1f1d94c1e-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.