Request ID: 00-1b5e59122033d29fdea6ef3a5fce2a35-b5f854e74652c736-00
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.