Request ID: 00-55b609d07149b100c259fa8ad2e795fd-a9b1a046d6cd3206-00
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.