diff --git a/thirdparty/pear/DB.php b/thirdparty/pear/DB.php
index a270a6939..257cb65fe 100644
--- a/thirdparty/pear/DB.php
+++ b/thirdparty/pear/DB.php
@@ -353,7 +353,7 @@ class DB
      * @see DB::parseDSN(), DB_common::setOption(), DB::isError()
      * @access public
      */
-    function &connect($dsn, $options = array())
+    public static function &connect($dsn, $options = array())
     {
         $dsninfo = DB::parseDSN($dsn);
         $dsninfo['phptype'] = $dsninfo['phptype'] === 'mysql' ? 'mysqli' : $dsninfo['phptype'];
@@ -427,7 +427,7 @@ class DB
      *
      * @access public
      */
-    function isError($value)
+    public static function isError($value)
     {
         return is_a($value, 'DB_Error');
     }
@@ -569,7 +569,7 @@ class DB
      *
      * @author Tomas V.V.Cox <cox@idecnet.com>
      */
-    function parseDSN($dsn)
+    public static function parseDSN($dsn)
     {
         $parsed = array(
             'phptype'  => false,
@@ -703,7 +703,7 @@ class DB
      * @return boolean true if the extension was already or successfully
      *                 loaded, false if it could not be loaded
      */
-    function assertExtension($name)
+    public static function assertExtension($name)
     {
         if (!extension_loaded($name)) {
             $dlext = OS_WINDOWS ? '.dll' : '.so';
diff --git a/thirdparty/pear/DB/mysqli.php b/thirdparty/pear/DB/mysqli.php
index 0edaed4eb..4bea84efa 100644
--- a/thirdparty/pear/DB/mysqli.php
+++ b/thirdparty/pear/DB/mysqli.php
@@ -117,7 +117,7 @@ class DB_mysqli extends DB_common
      */
     function __construct()
     {
-        $this->DB_common();
+        parent::__construct();
         $this->phptype = 'mysqli';
         $this->dbsyntax = 'mysqli';
         $this->features = array(
diff --git a/thirdparty/pear/DB/oci8.php b/thirdparty/pear/DB/oci8.php
index be37e3e09..0d4b9da59 100644
--- a/thirdparty/pear/DB/oci8.php
+++ b/thirdparty/pear/DB/oci8.php
@@ -67,7 +67,7 @@ class DB_oci8 extends DB_common
 
     function __construct()
     {
-        $this->DB_common();
+        parent::__construct();
         $this->phptype = 'oci8';
         $this->dbsyntax = 'oci8';
         $this->features = array(
diff --git a/thirdparty/pear/DB/odbc.php b/thirdparty/pear/DB/odbc.php
index 7ddf9100b..561b03c67 100644
--- a/thirdparty/pear/DB/odbc.php
+++ b/thirdparty/pear/DB/odbc.php
@@ -52,7 +52,7 @@ class DB_odbc extends DB_common
 
     function __construct()
     {
-        $this->DB_common();
+        parent::__construct();
         $this->phptype = 'odbc';
         $this->dbsyntax = 'sql92';
         $this->features = array(
diff --git a/thirdparty/pear/DB/pgsql.php b/thirdparty/pear/DB/pgsql.php
index a4e5bb4cb..dea59d691 100644
--- a/thirdparty/pear/DB/pgsql.php
+++ b/thirdparty/pear/DB/pgsql.php
@@ -53,7 +53,7 @@ class DB_pgsql extends DB_common
 
     function __construct()
     {
-        $this->DB_common();
+        parent::__construct();
         $this->phptype = 'pgsql';
         $this->dbsyntax = 'pgsql';
         $this->features = array(
diff --git a/workflow/engine/classes/ProcessMap.php b/workflow/engine/classes/ProcessMap.php
index 8719038b2..f71b6535c 100644
--- a/workflow/engine/classes/ProcessMap.php
+++ b/workflow/engine/classes/ProcessMap.php
@@ -6804,7 +6804,7 @@ class ProcessMap
         return $aIDocs;
     }
 
-    public function getMaximunTaskX($processUid)
+    public static function getMaximunTaskX($processUid)
     {
         $criteria = new Criteria('workflow');
         $criteria->addSelectColumn('MAX(TAS_POSX) AS MAX_X');
diff --git a/workflow/engine/classes/ReportTables.php b/workflow/engine/classes/ReportTables.php
index 058d24bdc..363e17967 100644
--- a/workflow/engine/classes/ReportTables.php
+++ b/workflow/engine/classes/ReportTables.php
@@ -775,7 +775,7 @@ class ReportTables
      * @access public
      * @return boolean
      */
-    public function tableExist()
+    public static function tableExist()
     {
         $bExists = true;
 
diff --git a/workflow/engine/src/ProcessMaker/Plugins/Traits/PluginStructure.php b/workflow/engine/src/ProcessMaker/Plugins/Traits/PluginStructure.php
index 1d6c5cd38..6fde6b4ae 100644
--- a/workflow/engine/src/ProcessMaker/Plugins/Traits/PluginStructure.php
+++ b/workflow/engine/src/ProcessMaker/Plugins/Traits/PluginStructure.php
@@ -352,7 +352,7 @@ trait PluginStructure
                     $valueField = [];
                     if ((array_key_exists($name, $fieldsInTable) && $fieldsInTable[$name])) {
                         foreach ($fieldsInTable[$name] as $index => $item) {
-                            if (method_exists($item, 'getAttributes')) {
+                            if (is_object($item) && method_exists($item, 'getAttributes')) {
                                 $valueField[$index] = $item->getAttributes();
                             } else {
                                 $valueField[$index] = $item;