Property Genie - Error

An error has occurred. Details of the error are below (if applicable).

/WebResource.axd: Category: Program EventId: 0 SpanId: d01544594a9e330f TraceId: 329a0e5dc913d9d1177e85d5de00bacc ParentId: 0000000000000000 RequestId: 40000b41-0001-d000-b63f-84710c7967bb RequestPath: /admin/mail/retry CorrelationId: 40000b41-0001-d000-b63f-84710c7967bb TraceIdentifier: 40000b41-0001-d000-b63f-84710c7967bb Mail queue processing failed. Exception: System.NullReferenceException: Object reference not set to an instance of an object. at Program.<>c.<<

$>b__0_16>d.MoveNext() in D:\AI\ClientWeb\PGClientWeb.Blazor\Program.cs:line 391