Request ID: 00-70923c2d88b0f94f076c3bbf3f5b0c74-4bd4b851829420f0-00
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.