diff --git a/workflow/engine/classes/class.case.php b/workflow/engine/classes/class.case.php
index 2e930ddc8..17d63d489 100755
--- a/workflow/engine/classes/class.case.php
+++ b/workflow/engine/classes/class.case.php
@@ -1111,15 +1111,22 @@ class Cases
             $criteria = new Criteria("workflow");
             $criteria->add(AppSolrQueuePeer::APP_UID, $sAppUid);
             AppSolrQueuePeer::doDelete($criteria);
-            //Before delete verify if is a child case
-            $oCriteria2 = new Criteria('workflow');
-            $oCriteria2->add(SubApplicationPeer::APP_UID, $sAppUid);
-            $oCriteria2->add(SubApplicationPeer::SA_STATUS, 'ACTIVE');
-            if (SubApplicationPeer::doCount($oCriteria2) > 0) {
-                G::LoadClass('derivation');
-                $oDerivation = new Derivation();
-                $oDerivation->verifyIsCaseChild($sAppUid);
+
+            try {
+                //Before delete verify if is a child case
+                $oCriteria2 = new Criteria('workflow');
+                $oCriteria2->add(SubApplicationPeer::APP_UID, $sAppUid);
+                $oCriteria2->add(SubApplicationPeer::SA_STATUS, 'ACTIVE');
+
+                if (SubApplicationPeer::doCount($oCriteria2) > 0) {
+                    G::LoadClass('derivation');
+                    $oDerivation = new Derivation();
+                    $oDerivation->verifyIsCaseChild($sAppUid);
+                }
+            } catch(Exception $e) {
+                Bootstrap::registerMonolog('DeleteCases', 200, 'Error in sub-process when trying to route a child case related to the case', ['application_uid' => $sAppUid, 'error' => $e->getMessage()], SYS_SYS, 'processmaker.log');
             }
+
             //Delete the registries in the table SUB_APPLICATION
             $oCriteria2 = new Criteria('workflow');
             $oCriteria2->add(SubApplicationPeer::APP_UID, $sAppUid);
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Light/NotificationDevice.php b/workflow/engine/src/ProcessMaker/BusinessModel/Light/NotificationDevice.php
index a73f8f819..13e45a3ff 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Light/NotificationDevice.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Light/NotificationDevice.php
@@ -7,8 +7,8 @@ use G;
 
 class NotificationDevice
 {
-    
-    
+
+
     public function checkMobileNotifications()
     {
         $conf = \System::getSystemConfiguration('', '', SYS_SYS);
@@ -18,7 +18,7 @@ class NotificationDevice
         }
         return $activeNotifications;
     }
-    
+
     /**
      * Post Create register device with userUid
      *
@@ -166,7 +166,7 @@ class NotificationDevice
             $response = array();
             $typeList = 'todo';
             $arrayTaskUser = array();
-            switch ($nextDel["TAS_ASSIGN_TYPE"]) {
+            switch ((array_key_exists('TAS_ASSIGN_TYPE', $nextDel))? $nextDel['TAS_ASSIGN_TYPE'] : '') {
                 case "SELF_SERVICE":
                     $arrayTaskUser = $this->getTaskUserSelfService($nextDel["TAS_UID"], $appFields);
                     $typeList = 'unassigned';