Request ID: 00-e3930db3016efe4d8c67bbc854cc2058-cbd9556cb7012c08-00
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.