diff --git a/workflow/engine/bin/cli.php b/workflow/engine/bin/cli.php
index 5407f9786..c6e568654 100644
--- a/workflow/engine/bin/cli.php
+++ b/workflow/engine/bin/cli.php
@@ -41,8 +41,10 @@ if (!defined('TIME_ZONE')) {
     $cliName = array_shift($args);
     $taskName = array_shift($args);
     $workspace = array_shift($args);
-    while ($workspace[0] == '-') {
-        $workspace = array_shift($args);
+    if (isset($workspace[0])) {
+        while ($workspace[0] == '-') {
+            $workspace = array_shift($args);
+        }
     }
 
     // Get time zone (global or by workspace)
diff --git a/workflow/engine/classes/CLI.php b/workflow/engine/classes/CLI.php
index c98053df0..9963ce5fc 100644
--- a/workflow/engine/classes/CLI.php
+++ b/workflow/engine/classes/CLI.php
@@ -206,8 +206,10 @@ EOT;
         $args = $argv;
         $cliname = array_shift( $args );
         $taskName = array_shift( $args );
-        while ($taskName[0] == '-') {
-            $taskName = array_shift( $args );
+        if (isset($taskName[0])) {
+            while ($taskName[0] == '-') {
+                $taskName = array_shift( $args );
+            }
         }
         if (! $taskName) {
             echo self::error( "Specify a task from the list below." ) . "\n\n";
diff --git a/workflow/engine/classes/model/AppDocument.php b/workflow/engine/classes/model/AppDocument.php
index 115aecf33..35bc30d28 100644
--- a/workflow/engine/classes/model/AppDocument.php
+++ b/workflow/engine/classes/model/AppDocument.php
@@ -162,7 +162,7 @@ class AppDocument extends BaseAppDocument
         try {
             $oAppDocument = new AppDocument();
 
-            if (! isset( $aData['APP_DOC_UID'] )) {
+            if (empty($aData['APP_DOC_UID'])) {
                 $sUID = G::generateUniqueID();
                 $docVersion = 1;
             } else {
diff --git a/workflow/engine/methods/cases/open.php b/workflow/engine/methods/cases/open.php
index c30ea1c4b..8cbab67af 100644
--- a/workflow/engine/methods/cases/open.php
+++ b/workflow/engine/methods/cases/open.php
@@ -16,6 +16,7 @@
 
 use ProcessMaker\BusinessModel\Cases as BmCases;
 use ProcessMaker\BusinessModel\ProcessSupervisor;
+use ProcessMaker\Core\System;
 
 $tBarGmail = false;
 if (isset($_GET['gmail']) && $_GET['gmail'] == 1) {
@@ -157,6 +158,7 @@ if ($isBpmn && $viewSummaryForm && $isNoEmpty) {
 }
 /*----------------------------------********---------------------------------*/
 
+$pmDynaform = new PmDynaform();     
 $step = new Step();
 $step = $step->loadByProcessTaskPosition($case['PRO_UID'], $case['TAS_UID'], 1);
 $headPublisher->assign('uri', $script . $uri);
@@ -171,6 +173,11 @@ $headPublisher->assign('appStatus', $case['APP_STATUS']);
 $headPublisher->assign('tbarGmail', $tBarGmail);
 $headPublisher->assign('showCustomForm', $showCustomForm);
 $headPublisher->assign('canClaimCase', $canClaimCase);
+$headPublisher->assign('_CREDENTIALS', G::json_encode($pmDynaform->getCredentials()));
+$headPublisher->assign('_SERVER', System::getHttpServerHostnameRequestsFrontEnd());
+$headPublisher->assign('_WORKSPACE', config("system.workspace"));
+$headPublisher->assign('_DEL_INDEX_DELEGATE', $delIndex);
+$headPublisher->assign('_USR_DELEGATE', $case['CURRENT_USER_UID']);
 
 if (!isset($_SESSION['APPLICATION']) || !isset($_SESSION['TASK']) || !isset($_SESSION['INDEX'])) {
     $_SESSION['PROCESS'] = $case['PRO_UID'];
diff --git a/workflow/engine/methods/userPersonalInformation/src/components/personalInformation.vue b/workflow/engine/methods/userPersonalInformation/src/components/personalInformation.vue
index a1c1c05c1..533c14188 100644
--- a/workflow/engine/methods/userPersonalInformation/src/components/personalInformation.vue
+++ b/workflow/engine/methods/userPersonalInformation/src/components/personalInformation.vue
@@ -467,11 +467,11 @@
         mounted() {
             this.$nextTick(function () {
                 let promise = null;
+                this.getTimeZoneList();
                 if ("USR_UID" in window && window.USR_UID !== "") {
                     this.editing = true;
                     promise = this.load();
-                    promise.then(response => {
-                        response;
+                    promise.then(() => {
                         this.loadServices();
                     });
                 } else {
@@ -851,7 +851,6 @@
             loadServices() {
                 this.getCountryList();
                 this.getAvailableCalendars();
-                this.getTimeZoneList();
                 this.getLanguagesList();
                 this.getDefaultMainMenuOptionList();
                 this.getDefaultCasesMenuOptionList();
diff --git a/workflow/engine/templates/cases/open.js b/workflow/engine/templates/cases/open.js
index 1e4a91057..d4c09e5b5 100644
--- a/workflow/engine/templates/cases/open.js
+++ b/workflow/engine/templates/cases/open.js
@@ -1368,7 +1368,8 @@ Ext.onReady(function(){
   Actions.reassignCase = function()
   {
     var rowSelected = Ext.getCmp("grdpnlUsersToReassign").getSelectionModel().getSelected();
-
+    var msg = "";
+    var credentials = JSON.parse(_CREDENTIALS);
     if( rowSelected ) {
         if (Ext.getCmp('idTextareaReason').getValue() === '') {
             Ext.Msg.alert(_('ID_ALERT'), _('ID_THE_REASON_REASSIGN_USER_EMPTY'));
@@ -1376,11 +1377,17 @@ Ext.onReady(function(){
         }
       PMExt.confirm(_('ID_CONFIRM'), _('ID_REASSIGN_CONFIRM'), function(){
         Ext.Ajax.request({
-          url : 'ajaxListener' ,
-          params : {action : 'reassignCase', USR_UID: rowSelected.data.USR_UID, NOTE_REASON: Ext.getCmp('idTextareaReason').getValue(), NOTIFY_REASSIGN: Ext.getCmp('idCheckboxReason').getValue()},
-          success: function ( result, request ) {
-            var data = Ext.util.JSON.decode(result.responseText);
-            if( data.status == 0 ) {
+          method:"PUT",
+          url: _SERVER + "/api/1.0/" + _WORKSPACE + `/cases/${_APP_UID}/reassign-case`,
+          headers: {
+            "Accept": "application/json",
+            "Content-Type": "application/json",
+            "Authorization": `Bearer ` + credentials.accessToken,
+          },
+          jsonData : {del_index : _DEL_INDEX_DELEGATE, usr_uid_target: rowSelected.data.USR_UID,usr_uid_source: _USR_DELEGATE, reason: Ext.getCmp('idTextareaReason').getValue()},
+          success: function (result, request) {
+            var data = result;
+            if( data.status == 0 || data.status == 200) {
               try {
                   if (typeof parent.notify !== "undefined") {
                       parent.notify('', data.msg);
@@ -1402,8 +1409,9 @@ Ext.onReady(function(){
               alert(data.msg);
             }
           },
-          failure: function ( result, request) {
-            Ext.MessageBox.alert( _('ID_FAILED') , result.responseText);
+          failure: function (result, request) {
+            msg = JSON.parse(result.responseText);
+            Ext.MessageBox.alert( _('ID_FAILED') , msg.error? msg.error.message: "");
           }
         });
       });