Note: I'm self hosting Drupal so I have full access to the server -- searching for this error seems to only bring up solutions to shared hosting situations.
I'm running a Drupal multi-site installation and attempting to install a new theme via the GUI. After logging in as admin, I go to Appearance -> Install New Theme -> and upload my tar.gz file. I get the following error:
Unable to create directory 'temporary:'
I've navigated to the File System settings in Drupal and changed around the location of the temp folder, created a new folder, used the entire path to the folder, set 777 permissions on everything, made www-data the owner of every folder imaginable, and nothing is working. I'm absolutely positive the folder I'm specifying as the temp folder exists, because the theme I'm trying to upload is uploaded to said folder.
Yep, I'm actually uploading a file, but Drupal tells me it can't create a directory.
Has anyone encountered this type of error? I'm using Drupal 7.28 on Ubuntu 14.04 with PHP 5.5.9.