Request ID: 00-f3e9dfc178ee2807ec3f26dade02124f-bdd8ad5ff01c8e9a-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.