cPanel & WHM update failure in upcp script

Getting email about cPanel & WHM update failure in upcp script. The cPanel & WHM update process failed for the following reason: [QUOTE]Post-sync cleanup ended; however, it did not exit cleanly. Review the update logs to determine why the update failed.
Update log preview: [2018-02-27 21:52:29 +0600] [10388] Waiting for cpdavd-ssl to shutdown ... not running. [2018-02-27 21:52:29 +0600] [10388] Waiting for cpanellogd to shutdown ...... terminated. [2018-02-27 21:52:29 +0600] [10388] Waiting for eximstats to shutdown ... not running. [2018-02-27 21:52:29 +0600] [10388] Waiting for eximstats to shutdown ... not running. [2018-02-27 21:52:29 +0600] [10388] Waiting for cpanalyticsd to shutdown ... not running. [2018-02-27 21:52:29 +0600] [10388] You may be running this update interactively from within WHM. [2018-02-27 21:52:29 +0600] [10388] It is necessary we restart cpsrvd, but this will kill the session displaying update progress. [2018-02-27 21:52:29 +0600] [10388] Please see the logs in /var/cpanel/updatelogs/ for further information if the update progress stops [2018-02-27 21:52:29 +0600] [10388] [2018-02-27 21:52:29 +0600] [10388] SMTP Mail protection has been enabled. [2018-02-27 21:52:29 +0600] [10388] All outbound SMTP connections will be redirected to localhost except: [2018-02-27 21:52:29 +0600] [10388] uid is root (ports: 25,465,587) [2018-02-27 21:52:29 +0600] [10388] uid is cpanel (ports: 25,465,587) [2018-02-27 21:52:29 +0600] [10388] gid is mail (ports: 25,465,587) [2018-02-27 21:52:29 +0600] [10388] gid is mailman (ports: 25,465,587) [2018-02-27 21:52:32 +0600] [10388] ==> (XID v7mj5u) The "cpanalyticsd" service is disabled. [2018-02-27 21:52:33 +0600] - Processing command `/usr/local/cpanel/whostmgr/bin/whostmgr2 --updateaddons` [2018-02-27 21:52:33 +0600] [15641] Locale database build scheduled. [2018-02-27 21:52:33 +0600] - Processing command `/usr/local/cpanel/bin/update_appconfig_apps` [2018-02-27 21:52:33 +0600] ==> Post Install Complete [2018-02-27 21:52:33 +0600] 55% complete => Log closed Tue Feb 27 21:52:33 2018 ---------------------------------------------------------------------------------------------------- => Log opened from cPanel Update (upcp) - Slave (8426) at Tue Feb 27 21:52:33 2018 [2018-02-27 21:52:33 +0600] E Post-sync cleanup has ended, however it did not exit cleanly. Please check the logs for an indication of what happened