This error relates to version 1.6.6.x and above.
Any of the following warnings/errors are related to the same known issue and can be resolved by applying the fix below.
Other symptoms include seeing 404 error pages after installation of version 1.6.6.x
Message: mkdir(): Invalid path
Line Number: 136
Warning: Uncaught Exception: Session: Configured save path '' is not a directory, doesn't exist or cannot be created. in
A PHP Error was encountered
Message: session_start(): Failed to initialize storage module: user (path: )
Line Number: 143
The following are extracts of error/warning messages that may appear at the beginning of an warning message
The following are extracts of warnings/errors that may appear within a warning message
('Session', 'CI_', NULL, 'session')
('Session', NULL, NULL)
Using an FTP program navigate to and download:
Using Notepad or a similar TEXT editor (not Word) Open /application/config/config.php
Around line 385, search for:
$config['sess_save_path'] = NULL;
Change 'NULL' to either '/tmp'
The line should now read:
$config['sess_save_path'] = /tmp;
Save this file and Re-upload the edited file back to