Request ID: 00-bc81001cb7f873e57d8b68b11ef33bd2-7930244c70bc6b86-00
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.