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<b>Fatal error</b>:  Uncaught Exception: Warning: SessionHandler::write(): write failed: No space left on device (28) in /var/www/fatni_production/httpdocs/vendor/magento/framework/Session/SaveHandler.php on line 139 in /var/www/fatni_production/httpdocs/vendor/magento/framework/App/ErrorHandler.php:61
Stack trace:
#0 [internal function]: Magento\Framework\App\ErrorHandler-&gt;handler()
#1 /var/www/fatni_production/httpdocs/vendor/magento/framework/Session/SaveHandler.php(139): SessionHandler-&gt;write()
#2 /var/www/fatni_production/httpdocs/vendor/magento/framework/Session/SaveHandler.php(96): Magento\Framework\Session\SaveHandler-&gt;callSafely()
#3 [internal function]: Magento\Framework\Session\SaveHandler-&gt;write()
#4 /var/www/fatni_production/httpdocs/vendor/magento/framework/Session/SessionManager.php(151): session_write_close()
#5 [internal function]: Magento\Framework\Session\SessionManager-&gt;writeClose()
#6 {main}
  thrown in <b>/var/www/fatni_production/httpdocs/vendor/magento/framework/App/ErrorHandler.php</b> on line <b>61</b><br />