diff --git a/ReportImp/SBBMainzReports/Invoicing/CustomInvoiceCreationQA.cs b/ReportImp/SBBMainzReports/Invoicing/CustomInvoiceCreationQA.cs
index 0ca490ca9..43b0d46bd 100644
--- a/ReportImp/SBBMainzReports/Invoicing/CustomInvoiceCreationQA.cs
+++ b/ReportImp/SBBMainzReports/Invoicing/CustomInvoiceCreationQA.cs
@@ -110,69 +110,72 @@ namespace SBBMainzReports.Invoicing
         {
             var calc = PluginLoader.FindClass<Calculations>(_SpecificID) ?? Calculations.GetInstance(_SpecificID);
             var scap = supportConceptApprovalPeriod;
+            if (scap.ServiceCategory != null)
+            { 
             var crList = scap.ServiceCategory.CostRatePeriods;
             var cr = crList.GetCostRatePeriodForDate(BS.Shared.CostRatePeriodType.AmountOfMoney, serviceInvoicePeriod.Start.Value);
-            if (cr != null && cr.CostRateValue.HasValue)
-            {
-                decimal? hourlyRate = cr.CostRateValue.Value;
-                decimal weeklyFactor = 4.33m;
-                // Anteilige Berechnung nur in dem Monat, in dem der HP tatsächlich beginnt bzw. endet -
-                // in allen anderen (vollen) Monaten wird der volle Monatsfaktor berechnet
-                if (scap.StartDate.HasValue && scap.StartDate.Value.Day > 7 && serviceInvoicePeriod.Start.HasValue
-                    && scap.StartDate.Value.Year == serviceInvoicePeriod.Start.Value.Year && scap.StartDate.Value.Month == serviceInvoicePeriod.Start.Value.Month)
+                if (cr != null && cr.CostRateValue.HasValue)
                 {
-                    int startDay = scap.StartDate.Value.Day;
-                    if (startDay <= 14)
+                    decimal? hourlyRate = cr.CostRateValue.Value;
+                    decimal weeklyFactor = 4.33m;
+                    // Anteilige Berechnung nur in dem Monat, in dem der HP tatsächlich beginnt bzw. endet -
+                    // in allen anderen (vollen) Monaten wird der volle Monatsfaktor berechnet
+                    if (scap.StartDate.HasValue && scap.StartDate.Value.Day > 7 && serviceInvoicePeriod.Start.HasValue
+                        && scap.StartDate.Value.Year == serviceInvoicePeriod.Start.Value.Year && scap.StartDate.Value.Month == serviceInvoicePeriod.Start.Value.Month)
                     {
-                        weeklyFactor = Math.Min(weeklyFactor, 3m);
+                        int startDay = scap.StartDate.Value.Day;
+                        if (startDay <= 14)
+                        {
+                            weeklyFactor = Math.Min(weeklyFactor, 3m);
+                        }
+                        else if (startDay <= 21)
+                        {
+                            weeklyFactor = Math.Min(weeklyFactor, 2m);
+                        }
+                        else
+                        {
+                            weeklyFactor = Math.Min(weeklyFactor, 1m);
+                        }
                     }
-                    else if (startDay <= 21)
+                    if (scap.EndDate.HasValue && scap.EndDate.Value.Day < 22 && serviceInvoicePeriod.End.HasValue
+                        && scap.EndDate.Value.Year == serviceInvoicePeriod.End.Value.Year && scap.EndDate.Value.Month == serviceInvoicePeriod.End.Value.Month)
                     {
-                        weeklyFactor = Math.Min(weeklyFactor, 2m);
+                        int endDay = scap.EndDate.Value.Day;
+                        if (endDay >= 15)
+                        {
+                            weeklyFactor = Math.Min(weeklyFactor, 3m);
+                        }
+                        else if (endDay >= 8)
+                        {
+                            weeklyFactor = Math.Min(weeklyFactor, 2m);
+                        }
+                        else
+                        {
+                            weeklyFactor = Math.Min(weeklyFactor, 1m);
+                        }
                     }
-                    else
-                    {
-                        weeklyFactor = Math.Min(weeklyFactor, 1m);
-                    }
-                }
-                if (scap.EndDate.HasValue && scap.EndDate.Value.Day < 22 && serviceInvoicePeriod.End.HasValue
-                    && scap.EndDate.Value.Year == serviceInvoicePeriod.End.Value.Year && scap.EndDate.Value.Month == serviceInvoicePeriod.End.Value.Month)
-                {
-                    int endDay = scap.EndDate.Value.Day;
-                    if (endDay >= 15)
-                    {
-                        weeklyFactor = Math.Min(weeklyFactor, 3m);
-                    }
-                    else if (endDay >= 8)
-                    {
-                        weeklyFactor = Math.Min(weeklyFactor, 2m);
-                    }
-                    else
-                    {
-                        weeklyFactor = Math.Min(weeklyFactor, 1m);
-                    }
-                }
 
-                decimal approvedHours = 0;
-                decimal approvedHoursMonth = 0;
-                if (scap.ApprovedBEInterval.HasValue && scap.ApprovedBEInterval.Value == SupportConceptApprovalInterval.Weekly && scap.ApprovedBEPerInterval.HasValue)
-                {
-                    approvedHours = scap.ApprovedBEPerInterval.Value;
-                    approvedHoursMonth = weeklyFactor * scap.ApprovedBEPerInterval.Value;
+                    decimal approvedHours = 0;
+                    decimal approvedHoursMonth = 0;
+                    if (scap.ApprovedBEInterval.HasValue && scap.ApprovedBEInterval.Value == SupportConceptApprovalInterval.Weekly && scap.ApprovedBEPerInterval.HasValue)
+                    {
+                        approvedHours = scap.ApprovedBEPerInterval.Value;
+                        approvedHoursMonth = weeklyFactor * scap.ApprovedBEPerInterval.Value;
+                    }
+                    decimal amount = approvedHoursMonth * hourlyRate.Value;
+                    serviceInvoicePeriod.InvoiceItemList.Add(new InvoiceItem
+                    {
+                        AmountTotal = amount,
+                        GrossAmountTotal = amount,
+                        ItemPeriodStart = serviceInvoicePeriod.Start,
+                        ItemPeriodEnd = serviceInvoicePeriod.End,
+                        AmountPerUnit = hourlyRate.Value,
+                        ItemDescription = "Fachleistungseinheiten/Woche",
+                        UnitDescription = "QA/Woche",
+                        UnitCount = approvedHours,
+                        Notice = approvedHoursMonth.ToString("n2")
+                    });
                 }
-                decimal amount = approvedHoursMonth * hourlyRate.Value;
-                serviceInvoicePeriod.InvoiceItemList.Add(new InvoiceItem
-                {
-                    AmountTotal = amount,
-                    GrossAmountTotal = amount,
-                    ItemPeriodStart = serviceInvoicePeriod.Start,
-                    ItemPeriodEnd = serviceInvoicePeriod.End,
-                    AmountPerUnit = hourlyRate.Value,
-                    ItemDescription = "Fachleistungseinheiten/Woche",
-                    UnitDescription = "QA/Woche",
-                    UnitCount = approvedHours,
-                    Notice = approvedHoursMonth.ToString("n2")
-                });
             }
         }