Request ID: 00-f526b300a07f54ecb38109c082078874-1d96e02b1f2e0c67-00
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.