Uncaught Exception: The server element <ss:thirdparty:issuu> does not exist


Possible Solutions:
- If you are writing a custom control, add getNodeName() a class extending \Framework\DOM\Nodes\ControlABC.
- Try clearing the reflection cache.
- Catch this exception (Framework\Exceptions\Generic)

in /usr/lib/php/Synergy8/stable/Framework/DOM/Features/Controls/TokenHandler/TokenHandler.inc.php line 226