Something went wrong
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.
Reference: 00-e9231a13f861a7a95b346e0b3c0da19e-cb92a72691e0fc88-00