Request ID: 00-1f501d6ad49e99ca106ccbd44213e999-a9d4573c2907021a-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.