During network usage, there was a sudden network outage and a request for re authentication was made. After authentication, the user can access the internet normally and check the logs. The following prompt is displayed. May I ask why?
2023-04-20T02:49:49+08:00 zbj C-SESSMGR[390]: [Thu Apr 20 2023 02:49:49:647][CP][C-SESSMGR][ERR][FID=1,apMac=F0:B0:52:20:24:B0,apIp=188.240.30.172,ueMac=A8:8F:D9:3A:3C:5A,ueIp=6.11.31.172,TID=318756608][memcached_wrapper.c:2110]#012MWL_RemoveEntry_StrKey - Delete Failed for the key:IUTBL_liying, Reason: Code (16)- NOT FOUND
