Bug #162401 Fix: Warning on com_tjcertificate edit template view (#18)

src/components/com_tjcertificate/administrator/models/template.php

@@ -184,14 +184,15 @@ protected function populateState()
 	/**
 	 * Method to validate the form data.
 	 *
-	 * @param   \JForm  $form  The form to validate against.
+	 * @param   JForm  $form  The form to validate against.
 	 * @param   Array   $data  The data to validate.
+	 * @param   string  $group  The name of the field group to validate.
 	 *
 	 * @return  array|boolean  Array of filtered data if valid, false otherwise.
 	 *
 	 * @since   12.2
 	 */
-	public function validate($form, $data)
+	public function validate($form, $data, $group = null)
 	{
 		$return = true;
 		$return = parent::validate($form, $data);