diff --git a/gulliver/system/class.g.php b/gulliver/system/class.g.php
index cac52823d..b70a5d488 100644
--- a/gulliver/system/class.g.php
+++ b/gulliver/system/class.g.php
@@ -2950,6 +2950,16 @@ class G
     {
         return (bool) preg_match( '/^[0-9A-Za-z]{14,}/', $uid );
     }
+    
+    /**
+     * Verify if the input string is a valid UID of size 32
+     * @param string $uid
+     * @return boolean
+     */
+    public static function verifyUniqueID32($uid)
+    {
+        return (bool) preg_match('/^[0-9A-Za-z]{32,32}$/', $uid);
+    }
 
     /**
      * is_utf8
diff --git a/workflow/engine/classes/class.wsBase.php b/workflow/engine/classes/class.wsBase.php
index 94996c8d6..e7ace313e 100644
--- a/workflow/engine/classes/class.wsBase.php
+++ b/workflow/engine/classes/class.wsBase.php
@@ -2447,7 +2447,7 @@ class wsBase
             }
 
             $res = $result->getPayloadArray();
-
+                
             //Now fill the array of AppDelegationPeer
             $oCriteria = new Criteria( 'workflow' );
             $oCriteria->addSelectColumn( AppDelegationPeer::DEL_INDEX );
@@ -2486,7 +2486,7 @@ class wsBase
                 }
 
                 //Execute events
-                $eventPro = $_SESSION["PROCESS"];
+                $eventPro = $appFields['PRO_UID'];
                 $eventApp = $caseId;
                 $eventInd = $aAppDel['DEL_INDEX'];
                 $eventTas = $aAppDel['TAS_UID'];
diff --git a/workflow/engine/methods/services/ActionsByEmailDataFormPost.php b/workflow/engine/methods/services/ActionsByEmailDataFormPost.php
index 41627bdf9..7655a4d04 100644
--- a/workflow/engine/methods/services/ActionsByEmailDataFormPost.php
+++ b/workflow/engine/methods/services/ActionsByEmailDataFormPost.php
@@ -1,8 +1,8 @@
 <?php
 
 if (PMLicensedFeatures
-        ::getSingleton()
-        ->verifyfeature('zLhSk5TeEQrNFI2RXFEVktyUGpnczV1WEJNWVp6cjYxbTU3R29mVXVZNWhZQT0=')) {
+                ::getSingleton()
+                ->verifyfeature('zLhSk5TeEQrNFI2RXFEVktyUGpnczV1WEJNWVp6cjYxbTU3R29mVXVZNWhZQT0=')) {
     $G_PUBLISH = new Publisher();
     try {
         /**
@@ -28,46 +28,46 @@ if (PMLicensedFeatures
          * In 'b' is reflected the output of 'a'.
          */
         $backupSession = serialize($_SESSION);
-        
-        if ($_REQUEST['APP_UID'] == '') {
-            if($_GET['APP_UID'] == ''){
-                 throw new Exception('The parameter APP_UID is empty.');
-            } else {
-                $_REQUEST['APP_UID'] = $_GET['APP_UID'];
+
+        if (empty($_GET['APP_UID'])) {
+            $sw = empty($_REQUEST['APP_UID']);
+            if (!$sw && !G::verifyUniqueID32($_REQUEST['APP_UID'])) {
+                $_GET['APP_UID'] = $_REQUEST['APP_UID'];
+            }
+            if ($sw) {
+                throw new Exception('The parameter APP_UID is empty.');
             }
         }
 
-        if ($_REQUEST['DEL_INDEX'] == '') {
+        if (empty($_REQUEST['DEL_INDEX'])) {
             throw new Exception('The parameter DEL_INDEX is empty.');
         }
 
-        if ($_REQUEST['ABER'] == '') {
+        if (empty($_REQUEST['ABER'])) {
             throw new Exception('The parameter ABER is empty.');
         }
 
-        if (!isset($_REQUEST['form'])) {
-            $_REQUEST['form'] = array();
-        }
+        $appUid = G::decrypt($_GET['APP_UID'], URL_KEY);
+        $delIndex = G::decrypt($_REQUEST['DEL_INDEX'], URL_KEY);
+        $aber = G::decrypt($_REQUEST['ABER'], URL_KEY);
+        $forms = isset($_REQUEST['form']) ? $_REQUEST['form'] : [];
 
-        $_REQUEST['APP_UID']   = G::decrypt($_REQUEST['APP_UID'],   URL_KEY);
-        $_REQUEST['DEL_INDEX'] = G::decrypt($_REQUEST['DEL_INDEX'], URL_KEY);
-        $_REQUEST['ABER']      = G::decrypt($_REQUEST['ABER'],      URL_KEY);
         G::LoadClass('case');
 
         $case = new Cases();
-        $casesFields = $case->loadCase($_REQUEST['APP_UID'], $_REQUEST['DEL_INDEX']);
+        $casesFields = $case->loadCase($appUid, $delIndex);
 
-        $casesFields['APP_DATA'] = array_merge($casesFields['APP_DATA'], $_REQUEST['form']);
+        $casesFields['APP_DATA'] = array_merge($casesFields['APP_DATA'], $forms);
 
         //Get user info
         $current_user_uid = null;
-        $currentUsrName   = null;
+        $currentUsrName = null;
 
         $criteria = new Criteria("workflow");
 
         $criteria->addSelectColumn(AppDelegationPeer::USR_UID);
-        $criteria->add(AppDelegationPeer::APP_UID, $_REQUEST["APP_UID"]);
-        $criteria->add(AppDelegationPeer::DEL_INDEX, $_REQUEST["DEL_INDEX"]);
+        $criteria->add(AppDelegationPeer::APP_UID, $appUid);
+        $criteria->add(AppDelegationPeer::DEL_INDEX, $delIndex);
 
         $rsSQL = AppDelegationPeer::doSelectRS($criteria);
         $rsSQL->setFetchmode(ResultSet::FETCHMODE_ASSOC);
@@ -92,7 +92,7 @@ if (PMLicensedFeatures
             $row = $rsSQL->getRow();
             $currentUsrName = $row["USR_USERNAME"];
 
-            $casesFields["APP_DATA"]["USER_LOGGED"]  = $current_user_uid;
+            $casesFields["APP_DATA"]["USER_LOGGED"] = $current_user_uid;
             $casesFields["APP_DATA"]["USR_USERNAME"] = $currentUsrName;
         }
 
@@ -101,18 +101,18 @@ if (PMLicensedFeatures
         }
 
         //Update case info
-        $case->updateCase($_REQUEST['APP_UID'], $casesFields);
+        $case->updateCase($appUid, $casesFields);
 
         G::LoadClass('wsBase');
 
         $wsBaseInstance = new wsBase();
-        $result = $wsBaseInstance->derivateCase($casesFields['CURRENT_USER_UID'], $_REQUEST['APP_UID'], $_REQUEST ['DEL_INDEX'], true);
+        $result = $wsBaseInstance->derivateCase($casesFields['CURRENT_USER_UID'], $appUid, $delIndex, true);
         $code = (is_array($result) ? $result['status_code'] : $result->status_code);
 
         $dataResponses = array();
-        $dataResponses['ABE_REQ_UID'] = $_REQUEST['ABER'];
+        $dataResponses['ABE_REQ_UID'] = $aber;
         $dataResponses['ABE_RES_CLIENT_IP'] = $_SERVER['REMOTE_ADDR'];
-        $dataResponses['ABE_RES_DATA'] = serialize($_REQUEST['form']);
+        $dataResponses['ABE_RES_DATA'] = serialize($forms);
         $dataResponses['ABE_RES_STATUS'] = 'PENDING';
         $dataResponses['ABE_RES_MESSAGE'] = '';
 
@@ -129,13 +129,13 @@ if (PMLicensedFeatures
             //Save Cases Notes
             include_once 'utils.php';
 
-            $dataAbeRequests = loadAbeRequest($_REQUEST['ABER']);
+            $dataAbeRequests = loadAbeRequest($aber);
             $dataAbeConfiguration = loadAbeConfiguration($dataAbeRequests['ABE_UID']);
 
             if ($dataAbeConfiguration['ABE_CASE_NOTE_IN_RESPONSE'] == 1) {
                 $response = new stdclass();
                 $response->usrUid = $casesFields['APP_DATA']['USER_LOGGED'];
-                $response->appUid = $_REQUEST['APP_UID'];
+                $response->appUid = $appUid;
                 $response->noteText = "Check the information that was sent for the receiver: " . $dataAbeRequests['ABE_REQ_SENT_TO'];
 
                 postNote($response);
@@ -144,10 +144,10 @@ if (PMLicensedFeatures
             $dataAbeRequests['ABE_REQ_ANSWERED'] = 1;
             $code == 0 ? uploadAbeRequest($dataAbeRequests) : '';
 
-            if (isset ( $_FILES ['form'] )) {
-                if (isset( $_FILES["form"]["name"] ) && count( $_FILES["form"]["name"] ) > 0) {
+            if (isset($_FILES ['form'])) {
+                if (isset($_FILES["form"]["name"]) && count($_FILES["form"]["name"]) > 0) {
                     $oInputDocument = new \ProcessMaker\BusinessModel\Cases\InputDocument();
-                    $oInputDocument->uploadFileCase($_FILES, $case, $casesFields, $current_user_uid, $_REQUEST['APP_UID'], $_REQUEST["DEL_INDEX"]);
+                    $oInputDocument->uploadFileCase($_FILES, $case, $casesFields, $current_user_uid, $appUid, $delIndex);
                 }
             }
 
@@ -155,8 +155,8 @@ if (PMLicensedFeatures
             $aMessage['MESSAGE'] = '<strong>The information was submitted. Thank you.</strong>';
         } else {
             throw new Exception('An error occurred while the application was being processed.<br /><br />
-                                 Error code: '.$result->status_code.'<br />
-                                 Error message: '.$result->message.'<br /><br />');
+                                 Error code: ' . $result->status_code . '<br />
+                                 Error message: ' . $result->message . '<br /><br />');
         }
 
         // Update
@@ -173,7 +173,7 @@ if (PMLicensedFeatures
         $_SESSION = unserialize($backupSession);
         $G_PUBLISH->AddContent('xmlform', 'xmlform', 'login/showInfo', '', $aMessage);
     } catch (Exception $error) {
-        $G_PUBLISH->AddContent('xmlform', 'xmlform', 'login/showMessage', '', array('MESSAGE' => $error->getMessage().' Please contact to your system administrator.'));
+        $G_PUBLISH->AddContent('xmlform', 'xmlform', 'login/showMessage', '', array('MESSAGE' => $error->getMessage() . ' Please contact to your system administrator.'));
     }
     $_SESSION = unserialize($backupSession);
     G::RenderPage('publish', 'blank');