VisitorPreInvitePreAction.cs Changes

CRM.Visitors/ActionProviders/VisitorPreInvitePreAction.cs

             {
                 refstatusid = visitorsinfo.Result.RefStatusId;
                 visitorid = visitorsinfo.Result.VisitorId;
-
+                if (refstatusid == 1 || refstatusid == 2)
+                {
+                    return ActionResponse<FormActionResponse>.CreateErrorResponse("1", "Visitor Already Exists");
+                }
                 if (refstatusid == 3)
                 {
                     var agree = await visitorManager.VisitorAgreementAsync(request, visitorid);
             returnresponse.Obj = null;
             returnresponse.PkValue = 0;
             return ActionResponse<FormActionResponse>.CreateSuccessResponse("success", returnresponse);
-         }
+        }
         public List<UniqueKey> AppliedApps
         {
             get