Request ID: 00-5311bbe496d4caa0122121cbae3ca2c5-f06130d9d54e16a7-00
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.