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<b>Fatal error</b>:  Uncaught Exception: Warning: SessionHandler::write(): write failed: No space left on device (28) in /home/sgstage/public_html/vendor/magento/framework/Session/SaveHandler.php on line 139 in /home/sgstage/public_html/vendor/magento/framework/App/ErrorHandler.php:61
Stack trace:
#0 [internal function]: Magento\Framework\App\ErrorHandler-&gt;handler(2, 'SessionHandler:...', '/home/sgstage/p...', 139, Array)
#1 /home/sgstage/public_html/vendor/magento/framework/Session/SaveHandler.php(139): SessionHandler-&gt;write('a07a14abd22fc6c...', '_session_valida...')
#2 /home/sgstage/public_html/vendor/magento/framework/Session/SaveHandler.php(96): Magento\Framework\Session\SaveHandler-&gt;callSafely('write', 'a07a14abd22fc6c...', '_session_valida...')
#3 [internal function]: Magento\Framework\Session\SaveHandler-&gt;write('a07a14abd22fc6c...', '_session_valida...')
#4 /home/sgstage/public_html/vendor/magento/framework/Session/SessionManager.php(151): session_write_close()
#5 /home/sgstage/public_html/generated/code/Magento/Framework in <b>/home/sgstage/public_html/vendor/magento/framework/App/ErrorHandler.php</b> on line <b>61</b><br />