How to resolve these errors?
A PHP Error was encountered Severity: Warning
Message: mkdir(): Permission denied
Filename: drivers/Session_files_driver.php
Line Number: 136
Backtrace:
File: /var/www/html/application/controllers/Home.php
Line: 8
Function: __construct
File: /var/www/html/index.php
Line: 315
Function: require_once
Warning: Uncaught Exception: Session: Configured save path '/var/www/html/application/cache/session' is not a directory, doesn't exist or cannot be created. in /var/www/html/system/libraries/Session/drivers/Session_files_driver.php:138 Stack trace: #0 [internal function]: CI_Session_files_driver->open('/var/www/html/a...', 'ci_session') #1 /var/www/html/system/libraries/Session/Session.php(143): session_start() #2 /var/www/html/system/core/Loader.php(1281): CI_Session->__construct() #3 /var/www/html/system/core/Loader.php(1174): CI_Loader->_ci_init_library('Session', 'CI_', NULL, 'session') #4 /var/www/html/system/core/Loader.php(1037): CI_Loader->_ci_load_stock_library('Session', 'Session/', NULL, NULL) #5 /var/www/html/system/core/Loader.php(1082): CI_Loader->_ci_load_library('Session', NULL, NULL) #6 /var/www/html/system/core/Loader.php(218): CI_Loader->_ci_load_library('Session', NULL, NULL) #7 /var/www/html/system/core/Loader.php(202): CI_Loader->library('session', NULL) #8 /var/www/html/system/core/Loader.php(13 in /var/www/html/system/libraries/Session/drivers/Session_files_driver.php on line 138
Fatal error: session_start(): Failed to initialize storage module: user (path: /var/www/html/application/cache/session) in /var/www/html/system/libraries/Session/Session.php on line 143
A PHP Error was encountered
Severity: Error
Message: session_start(): Failed to initialize storage module: user (path: /var/www/html/application/cache/session)
Filename: Session/Session.php
Line Number: 143
Backtrace:
if you're using an apache2-Webserver, check the directory permissions for /var/www/html/application/cache/session. It has to be legible and writable for www-data user.
To set the permissions, simply run sudo chown -R www-data /var/www/html and sudo chmod -R u+rw /var/www/html. This sets the directory permissions recursively to your webroot and all subdirectories.