Request ID: 00-ec9755a23a8e3234e98d579d5177e6a6-7b5167dc6e14eba2-00
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.