- fixed issue where submit test points were not properly added if checker gives points

src/ClientServer/Config/Constants.cs

@@ -13,7 +13,7 @@ namespace ClientServer.Helpers
     /// </summary>
     public static class Constants
     {
-        public static string VersionString = "2.21.0";
+        public static string VersionString = "2.21.1";
 
         /// <summary>
         /// this is only set once at program.cs!!

src/ClientServer/Workers/SubmissionAssessmentWorker.cs

@@ -1212,6 +1212,7 @@ namespace ClientServer.Schedulers
                             if (testResult.Points.HasValue)
                             {
                                 //use the points from the checker
+                                if (submitPoints == null) submitPoints = 0;
                                 submitPoints += testResult.Points.Value;
                             }
                             else