Hi intelartifice
This is a quite old extension from DTH Development, it has issue with new version of Joomla.
I just updated this file: /administrator/components/com_dtdocusign/lib/config.php
By replacing line 18:
require_once JPATH_ADMINISTRATOR . '/includes/toolbar.php';
with:
$toolbar = JPATH_ADMINISTRATOR.DIRECTORY_SEPARATOR.'includes'.DIRECTORY_SEPARATOR.'toolbar.php';
if(JFile::exists($toolbar)){
require_once ($toolbar);
}
Kindly check.