2026-05-15 18:08:42.681 +02:00 [ERR] HTTP GET /mobileapp/GetInvoiceDetailsByShowAthlete/4c5358d5-deea-4bcc-a88f-de52d83cbe83/ab6fa76a-d450-11ec-bd7e-0a436a6b8132/59048bbe-8c65-4f57-8372-d3092d11fdbf responded 500 in 1282.6473 ms
System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.ThrowHelper.ThrowNoMatchException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at AccountingNgt.BusinessLogic.Services.ApiCalculationService.CalculateInvoiceDetails(String showUuid, String athleteUuid, String invoiceUuid) in C:\HD_ngt-dev\hippo-abrechnung-2008\AccountingNgt\AccountingNgt.BusinessLogic\Services\ApiCalculationService.cs:line 254
   at lambda_method12(Closure, Object, HttpContext)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
2026-05-15 18:08:42.715 +02:00 [ERR] An unhandled exception has occurred while executing the request.
System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.ThrowHelper.ThrowNoMatchException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at AccountingNgt.BusinessLogic.Services.ApiCalculationService.CalculateInvoiceDetails(String showUuid, String athleteUuid, String invoiceUuid) in C:\HD_ngt-dev\hippo-abrechnung-2008\AccountingNgt\AccountingNgt.BusinessLogic\Services\ApiCalculationService.cs:line 254
   at lambda_method12(Closure, Object, HttpContext)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
   at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddlewareImpl.<Invoke>g__Awaited|10_0(ExceptionHandlerMiddlewareImpl middleware, HttpContext context, Task task)
2026-05-15 18:08:42.720 +02:00 [ERR] Unhandled exception on /mobileapp/GetInvoiceDetailsByShowAthlete/4c5358d5-deea-4bcc-a88f-de52d83cbe83/ab6fa76a-d450-11ec-bd7e-0a436a6b8132/59048bbe-8c65-4f57-8372-d3092d11fdbf
System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.ThrowHelper.ThrowNoMatchException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at AccountingNgt.BusinessLogic.Services.ApiCalculationService.CalculateInvoiceDetails(String showUuid, String athleteUuid, String invoiceUuid) in C:\HD_ngt-dev\hippo-abrechnung-2008\AccountingNgt\AccountingNgt.BusinessLogic\Services\ApiCalculationService.cs:line 254
   at lambda_method12(Closure, Object, HttpContext)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
   at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddlewareImpl.<Invoke>g__Awaited|10_0(ExceptionHandlerMiddlewareImpl middleware, HttpContext context, Task task)
2026-05-15 18:08:59.777 +02:00 [ERR] HTTP GET /Mobileapp/GetInvoiceDetailsByShowAthlete/4c5358d5-deea-4bcc-a88f-de52d83cbe83/ab6fa76a-d450-11ec-bd7e-0a436a6b8132/59048bbe-8c65-4f57-8372-d3092d11fdbf responded 500 in 1374.0543 ms
System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.ThrowHelper.ThrowNoMatchException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at AccountingNgt.BusinessLogic.Services.ApiCalculationService.CalculateInvoiceDetails(String showUuid, String athleteUuid, String invoiceUuid) in C:\HD_ngt-dev\hippo-abrechnung-2008\AccountingNgt\AccountingNgt.BusinessLogic\Services\ApiCalculationService.cs:line 254
   at lambda_method12(Closure, Object, HttpContext)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
2026-05-15 18:08:59.789 +02:00 [ERR] An unhandled exception has occurred while executing the request.
System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.ThrowHelper.ThrowNoMatchException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at AccountingNgt.BusinessLogic.Services.ApiCalculationService.CalculateInvoiceDetails(String showUuid, String athleteUuid, String invoiceUuid) in C:\HD_ngt-dev\hippo-abrechnung-2008\AccountingNgt\AccountingNgt.BusinessLogic\Services\ApiCalculationService.cs:line 254
   at lambda_method12(Closure, Object, HttpContext)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
   at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddlewareImpl.<Invoke>g__Awaited|10_0(ExceptionHandlerMiddlewareImpl middleware, HttpContext context, Task task)
2026-05-15 18:08:59.803 +02:00 [ERR] Unhandled exception on /Mobileapp/GetInvoiceDetailsByShowAthlete/4c5358d5-deea-4bcc-a88f-de52d83cbe83/ab6fa76a-d450-11ec-bd7e-0a436a6b8132/59048bbe-8c65-4f57-8372-d3092d11fdbf
System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.ThrowHelper.ThrowNoMatchException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at AccountingNgt.BusinessLogic.Services.ApiCalculationService.CalculateInvoiceDetails(String showUuid, String athleteUuid, String invoiceUuid) in C:\HD_ngt-dev\hippo-abrechnung-2008\AccountingNgt\AccountingNgt.BusinessLogic\Services\ApiCalculationService.cs:line 254
   at lambda_method12(Closure, Object, HttpContext)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke(HttpContext httpContext)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
   at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddlewareImpl.<Invoke>g__Awaited|10_0(ExceptionHandlerMiddlewareImpl middleware, HttpContext context, Task task)