Failed to get DB handle: SQLSTATE[HY000] [2005] Unknown MySQL server host 'sql.braincan.net' (2)

Warning: Unknown: write failed: No space left on device (28) in Unknown on line 0

Call Stack:
    0.0001     625728   1. {main}() /var/www/html/posts.php:0
    0.0002     629096   2. require_once('/var/www/html/load.php') /var/www/html/posts.php:8
    0.0051     720168   3. require_once('/var/www/html/mvc.php') /var/www/html/load.php:128
    0.0083     726224   4. Users->GetDetails() /var/www/html/mvc.php:49
    0.0083     726320   5. Users->IDuser() /var/www/html/includes/framework.php:575
    0.0083     726576   6. Cookies->Check() /var/www/html/includes/framework.php:281
    0.0084     727808   7. DAM->__construct() /var/www/html/includes/framework.php:197


Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/tmp) in Unknown on line 0

Call Stack:
    0.0001     625728   1. {main}() /var/www/html/posts.php:0
    0.0002     629096   2. require_once('/var/www/html/load.php') /var/www/html/posts.php:8
    0.0051     720168   3. require_once('/var/www/html/mvc.php') /var/www/html/load.php:128
    0.0083     726224   4. Users->GetDetails() /var/www/html/mvc.php:49
    0.0083     726320   5. Users->IDuser() /var/www/html/includes/framework.php:575
    0.0083     726576   6. Cookies->Check() /var/www/html/includes/framework.php:281
    0.0084     727808   7. DAM->__construct() /var/www/html/includes/framework.php:197