Permissions should be like this
[root@s8 ~]# ls -la /var/lib/lsphp/session/
total 508
drwx-wx-wt 9 root root 4096 Mar 14 15:59 .
drwxr-xr-x 4 root root 4096 Mar 14 15:59 ..
drwx-wx-wt 2 root root 4096 Mar 8 20:49 lsphp71
drwx-wx-wt 2 root root 4096 Mar 8 20:49 lsphp72
drwx-wx-wt 2 root root 4096 Mar 8 20:49 lsphp73
drwx-wx-wt 2 root root 483328 Apr 2 11:36 lsphp74
drwx-wx-wt 2 root root 4096 Apr 1 11:06 lsphp80
drwx-wx-wt 2 root root 4096 Mar 13 22:58 lsphp81
drwx-wx-wt 2 root root 4096 Mar 8 20:49 lsphp82
[root@s8 ~]#