Files external storage dont work

filesystem
8.2.x
external_storage

#1

Please help us by providing the following info. Before posting please also check the pinned "Known issues" threads and make sure that you're running the latest available version for your oC release: https://owncloud.org/changelog/

Steps to reproduce
1. Administration
2. External storage
3. Try to sharing a local directory but dont work. (permision is good)

Expected behaviour
Tell us what should happen
I need to sharing local storage but i cant becouse plugin "files external storage" dont work
Actual behaviour
Tell us what happens instead
When i try to use external storage in local, for example sharing /tmp i cant and indicate a red "quadrate". I check permisios (chmod and chown) and it is good.
Server configuration
Operating system:
Web server: Apache 2.4
Database: Mysql
PHP version: 5.6
ownCloud version (see ownCloud admin page): 8.2.2
Updated from an older ownCloud or fresh install: updated
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption):
external storage --> dont work
ownCloud log (data/owncloud.log)
Cannot modify header information - headers already sent
Please paste possible errors in the following code block, see https://central.owncloud.org/t/how-to-find-webserver-or-oc-logfile-enable-php-logfile/808 for more info

Integrity status for oC9+

Login as admin user into your ownCloud and access
http://example.com/index.php/settings/integrity/failed
paste the results here.

#2

from the issue template you had filled out:

Before posting please snip make sure that you're running the latest available version for your oC release: https://owncloud.org/changelog/

oC 8.2.2 is far from beeing a current version (for 8.2.x version 8.2.10 is current). Please always use a current version like 8.2.10 to avoid that you're hitting some possible bugs which might be fixed in newer versions.