Ok, so I've found the cause of the issue in the closed tickets view. I get the following error when trying to view Closed Tickets (by turning errors on):
Fatal error: Uncaught InconsistentModelException: Unable to prepare query: MySQL server has gone away SELECT A1.* FROM ost_email A1 WHERE A1.email_id = '2' in /home4/server/public_html/support/include/class.orm.php:3456 Stack trace: #0 /home4/server/public_html/support/include/class.orm.php(3502): MySqlExecutor->execute() #1 /home4/server/public_html/support/include/class.orm.php(1991): MySqlExecutor->getArray() #2 /home4/server/public_html/support/include/class.orm.php(2035): ModelInstanceManager->{closure}() #3 /home4/server/public_html/support/include/class.orm.php(2014): CallbackSimpleIterator->next() #4 /home4/server/public_html/support/include/class.orm.php(2023): CallbackSimpleIterator->rewind() #5 /home4/server/public_html/support/include/class.orm.php(1695): CallbackSimpleIterator->valid() #6 /home4/server/public_html/support/include/class.orm.php(1705): CachedResultSet->fillTo(9223372036854775807) #7 /home4/server/public_html/support/include/class.orm.php(1328): CachedResultSet->asArray() #8 /home4/server/pu in /home4/server/public_html/support/include/class.orm.php on line 3456
Warning: session_write_close(): Failed to write session data using user defined save handler. (session.save_path: /tmp) in Unknown on line 0
Anyone have any idea what's causing this?