PHP Error Help

This is a CODEIGNITER website. This website was running on DIGITALOCEAN.COM, i shifted the website today morning to Amazon AWS. Debian Linux (CloudPanel).
ERROR:
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A PHP Error was encountered
Severity: Warning

Message: touch(): Unable to create file 0;777;/var/lib/php/sessions/ci_sessionp78cm4sadsk39l0p3de7mg8p20fn6t72 because No such file or directory

Filename: drivers/Session_files_driver.php

Line Number: 252

A PHP Error was encountered
Severity: Warning

Message: session_write_close(): Failed to write session data using user defined save handler. (session.save_path: 0;777;/var/lib/php/sessions)

Filename: Unknown

Line Number: 0