PHP WARNING: Session object destruction failed

 

I recently updated my Elgg from 1.12.x to 2.2.x. After the update, a php warning related to session_regenerate_id() is appearing in my error_log file on hourly basis.

[15-Oct-2016 01:30:27 Asia/Kolkata] PHP WARNING: 2016-10-15 01:30:27 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 02:30:22 Asia/Kolkata] PHP WARNING: 2016-10-15 02:30:22 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 03:30:28 Asia/Kolkata] PHP WARNING: 2016-10-15 03:30:28 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 04:30:23 Asia/Kolkata] PHP WARNING: 2016-10-15 04:30:23 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 05:30:34 Asia/Kolkata] PHP WARNING: 2016-10-15 05:30:34 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 06:30:35 Asia/Kolkata] PHP WARNING: 2016-10-15 06:30:35 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 07:30:25 Asia/Kolkata] PHP WARNING: 2016-10-15 07:30:25 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 08:30:18 Asia/Kolkata] PHP WARNING: 2016-10-15 08:30:18 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 09:30:41 Asia/Kolkata] PHP WARNING: 2016-10-15 09:30:41 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 10:30:37 Asia/Kolkata] PHP WARNING: 2016-10-15 10:30:37 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 11:30:28 Asia/Kolkata] PHP WARNING: 2016-10-15 11:30:28 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 12:30:22 Asia/Kolkata] PHP WARNING: 2016-10-15 12:30:22 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 13:30:35 Asia/Kolkata] PHP WARNING: 2016-10-15 13:30:35 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)
[15-Oct-2016 14:30:26 Asia/Kolkata] PHP WARNING: 2016-10-15 14:30:26 (IST): "session_regenerate_id(): Session object destruction failed.  ID: user (path: )" in file /home/user/public_html/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php (line 212)

Kindly Let me know what needs to be done.