AsNoTracking()

WebAPI/dataProcessors/t1.r1.processor.cs

@@ -73,6 +73,7 @@ public class T1R1Processor(
                         !x.IsDeleted &&
                         x.Name != null && x.Name.Contains($"{year}/{monthCopy:D2}-{source.Desc1}-T3")
                     ).Include(x => x.Records)
+                    .AsNoTracking()
                     .FirstOrDefault();
 
                 if (dataSource == null)
@@ -197,6 +198,7 @@ public class T1R1Processor(
         var r1 = db.Layers
             .Where(x => x.Id == sourceId)
             .Include(x => x.Records)
+            .AsNoTracking()
             .FirstOrDefault();
 
         var codesRow = response.Values[0];