Request ID: 00-cc5c83b76c4c2e1b530ab841b093d35e-8a310165c58b9bb1-00
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.