我使用代码点火器3来创建我的项目。在本地服务器它的工作正常，但当我在服务器上传时，我得到了错误。 请任何人建议我该如何解决问题？
ERRO：
A PHP Error was encountered
Severity: Warning
Message: rewind() expects parameter 1 to be resource, boolean given
Filename: drivers/Session_files_driver.php
Line Number: 188
Backtrace:
A PHP Error was encountered
Severity: Warning
Message: filesize(): stat failed for /tmp/ci_session3ef560e62f7a107dafac77cf3bfb342c7c50c1de
Filename: drivers/Session_files_driver.php
Line Number: 192
Backtrace:
<p>Severity: Warning</p>
<p>Message: fopen(/tmp/ci_session3ef560e62f7a107dafac77cf3bfb342c7c50c1de): failed to open stream: No such file or directory</p>
<p>Filename: drivers/Session_files_driver.php</p>
<p>Line Number: 156</p>