Passman app is unresponsive when using Files Tree

[iplor]

When the Files Tree app is enabled, the Passman app page becomes unresponsive. When Files Tree is disabled, Passman works again.

For the purpose of reporting this issue, I've used a clean installation of the 7.0.2 Owncloud Bitnami VM, and I have made no changes other than installing and enabling Passman and Files Tree. The complete log file is copied below.

The Files Move app has the same effect on Passman.

Ubuntu 14.04
Owncloud 7.0.2

Contents of owncloud.log:

{"app":"core","message":"Invalid OCS content returned for app passman","level":4,"time":"2014-09-29T21:05:49+00:00"}
{"app":"PHP","message":"Undefined variable: id at /opt/bitnami/apps/owncloud/htdocs/apps/passman/controller/itemapicontroller.php#126","level":3,"time":"2014-09-29T21:07:20+00:00"}
{"app":"PHP","message":"Argument 2 passed to OCA\Passman\Controller\TagController::__construct() must be an instance of OCA\Passman\Controller\IRequest, instance of OC\AppFramework\Http\Request given, called in /opt/bitnami/apps/owncloud/htdocs/apps/passman/appinfo/application.php on line 73 and defined at /opt/bitnami/apps/owncloud/htdocs/apps/passman/controller/tagcontroller.php#25","level":3,"time":"2014-09-29T21:08:54+00:00"}
{"app":"PHP","message":"Argument 2 passed to OCA\Passman\Controller\TagController::__construct() must be an instance of OCA\Passman\Controller\IRequest, instance of OC\AppFramework\Http\Request given, called in /opt/bitnami/apps/owncloud/htdocs/apps/passman/appinfo/application.php on line 73 and defined at /opt/bitnami/apps/owncloud/htdocs/apps/passman/controller/tagcontroller.php#25","level":3,"time":"2014-09-29T21:08:55+00:00"}
{"app":"PHP","message":"Undefined variable: response at /opt/bitnami/apps/owncloud/htdocs/apps/passman/controller/tagcontroller.php#45","level":3,"time":"2014-09-29T21:08:55+00:00"}
{"app":"PHP","message":"Undefined variable: folderCheckResult at /opt/bitnami/apps/owncloud/htdocs/apps/passman/controller/itemapicontroller.php#173","level":3,"time":"2014-09-29T21:08:57+00:00"}
{"app":"PHP","message":"Argument 2 passed to OCA\Passman\Controller\TagController::__construct() must be an instance of OCA\Passman\Controller\IRequest, instance of OC\AppFramework\Http\Request given, called in /opt/bitnami/apps/owncloud/htdocs/apps/passman/appinfo/application.php on line 73 and defined at /opt/bitnami/apps/owncloud/htdocs/apps/passman/controller/tagcontroller.php#25","level":3,"time":"2014-09-29T21:09:01+00:00"}
{"app":"PHP","message":"Undefined index: mime at /opt/bitnami/apps/owncloud/htdocs/apps/files/ajax/mimeicon.php#4","level":3,"time":"2014-09-29T21:10:23+00:00"}
{"app":"core","message":"Invalid OCS content returned for app files_tree","level":4,"time":"2014-09-29T21:14:10+00:00"}