AsNoTracking()

WebAPI/dataProcessors/t4.r2.processor.cs

@@ -84,6 +84,7 @@ public class T4R2Processor(
                             x.Name != null && x.Name.Contains($"{year}/{monthCopy:D2}-{source.Desc1}-T")
                         )
                         .Include(x => x.Records)
+                        .AsNoTracking()
                         .FirstOrDefault();
                     if (dataSource != null)
                     {
@@ -148,6 +149,7 @@ public class T4R2Processor(
                     x.Name != null && x.Name.Contains($"{year}/13-{source.Desc1}-T")
                 )
                 .Include(x => x.Records)
+                .AsNoTracking()
                 .FirstOrDefault();
             if (dataSourceSum != null)
             {
@@ -216,6 +218,7 @@ public class T4R2Processor(
         var r2 = db.Layers
             .Where(x => x.Id == sourceId)
             .Include(x => x.Records)
+            .AsNoTracking()
             .FirstOrDefault();
 
         const int startRow = 6;