diff --git a/framework/control.class.php b/framework/control.class.php
index 7e05dcf79a..6f35d7c367 100644
--- a/framework/control.class.php
+++ b/framework/control.class.php
@@ -35,26 +35,29 @@ class control extends baseControl
 
         if(!isset($this->config->bizVersion)) return false;
         /* Code for task #9224. Set requiredFields for workflow. */
-        $fields       = $this->loadModel('workflowaction')->getFields($this->moduleName, $this->methodName);
-        $layouts      = $this->loadModel('workflowlayout')->getFields($this->moduleName, $this->methodName);
-        $notEmptyRule = $this->loadModel('workflowrule')->getByTypeAndRule('system', 'notempty');
-
-        foreach($fields as $field)
+        if($this->dbh)
         {
+            $fields       = $this->loadModel('workflowaction')->getFields($this->moduleName, $this->methodName);
+            $layouts      = $this->loadModel('workflowlayout')->getFields($this->moduleName, $this->methodName);
+            $notEmptyRule = $this->loadModel('workflowrule')->getByTypeAndRule('system', 'notempty');
 
-            if($notEmptyRule && strpos(",$field->rules,", ",$notEmptyRule->id,") !== false)
+            foreach($fields as $field)
             {
-                if(!isset($this->config->{$this->moduleName})) $this->config->{$this->moduleName} = new stdclass();
-                if(!isset($this->config->{$this->moduleName}->{$this->methodName})) $this->config->{$this->moduleName}->{$this->methodName} = new stdclass();
-                if(!isset($this->config->{$this->moduleName}->{$this->methodName}->requiredFields)) $this->config->{$this->moduleName}->{$this->methodName}->requiredFields = '';
-                $this->config->{$this->moduleName}->{$this->methodName}->requiredFields .= ",{$field->field}";
-            }
-        }
 
-        if(isset($this->config->{$this->moduleName}) and isset($this->config->{$this->moduleName}->exportFields))
-        {
-            $exportFields = $this->dao->select('*')->from(TABLE_WORKFLOWFIELD)->where('module')->eq($this->moduleName)->andWhere('canExport')->eq('1')->andWhere('buildin')->eq('0')->fetchAll('field');
-            foreach($exportFields  as $field) $this->config->{$this->moduleName}->exportFields .= ",{$field->field}";
+                if($notEmptyRule && strpos(",$field->rules,", ",$notEmptyRule->id,") !== false)
+                {
+                    if(!isset($this->config->{$this->moduleName})) $this->config->{$this->moduleName} = new stdclass();
+                    if(!isset($this->config->{$this->moduleName}->{$this->methodName})) $this->config->{$this->moduleName}->{$this->methodName} = new stdclass();
+                    if(!isset($this->config->{$this->moduleName}->{$this->methodName}->requiredFields)) $this->config->{$this->moduleName}->{$this->methodName}->requiredFields = '';
+                    $this->config->{$this->moduleName}->{$this->methodName}->requiredFields .= ",{$field->field}";
+                }
+            }
+
+            if(isset($this->config->{$this->moduleName}) and isset($this->config->{$this->moduleName}->exportFields))
+            {
+                $exportFields = $this->dao->select('*')->from(TABLE_WORKFLOWFIELD)->where('module')->eq($this->moduleName)->andWhere('canExport')->eq('1')->andWhere('buildin')->eq('0')->fetchAll('field');
+                foreach($exportFields  as $field) $this->config->{$this->moduleName}->exportFields .= ",{$field->field}";
+            }
         }
     }