MOSETS TREE ERROR
DateTime::__construct(): Failed to parse time string (Never) at position 0 (N): The timezone could not be found in the database
Solution:
If you're running Joomla 3.4.4, updating to Mosets Tree 3.6.6 will fix this error.
If you do not want to run the full update, here's the modification you can do to fix this error.
FILE: /administrator/components/com_mtree/mtree.php
LINE 779:
$form->setValue('publish_down', 'publishing', JText::_( 'COM_MTREE_NEVER' ));
Replace with the following:
$form->setValue('publish_down', 'publishing', $database->getNullDate());
source:
forum.mosets.com/showthread.php?t=22998 
