The install encountered an error: Failed to stage “new RPMS” because of an error: Digest for http://httpupdate.cpanel.net/RPM/11.5 6/centos/6/x86_64/cpanel-perl-522-Mail-SpamAssassin-3.004001-10.cp1156.x86_64.rp m is different from expected (got hash 3c98d701a2436b61af652329e4254a10dae4bb88b 5483889de372351fa7ceb1bd8d9eeb9d64b2bba1752c5e1baa1fd7cb492039222f12aea15e493d50 366665f; expected hash 3b82d7e3e24b6b024aa1fb7a3cd2dd4a7e19b775c2fc6539718410e95 1400e52a853e4b9abc5a17fa2da316db933c61af3c0ec8b7097ab7398d7df9ea9538df2; mirror IP 89.26.243.163) at ./updatenow.static line 34379.
[2016-08-23 10:43:01 -0400] : see https://go.cpanel.net/rpmcheckfailed for more information
(in cleanup) Can’t call method “info” on an undefined value at ./updaten ow.static line 36951 during global destruction.
[2016-08-23 10:43:01 -0400] Removing staged files and directories for cpanel
2016-08-23 10:43:01 810 (DEBUG): The installation process detected a failed s ynchronization. The system will reattempt the synchronization with the updatenow .static file…
2016-08-23 10:43:01 816 (FATAL): The installation process was unable to synchro nize cPanel & WHM. Verify that your network can connect to httpupdate.cpanel.net and rerun the installer.
Removing /root/installer.lock.

mkdir /usr/local/cpanel/rpm_downloads/
cd /usr/local/cpanel/rpm_downloads/
wget http://httpupdate.cpanel.net/RPM/11.56/centos/6/x86_64/cpanel-perl-522-Mail-SpamAssassin-3.004001-10.cp1156.x86_64.rpm

and restart cpanel installation.

cd /home
wget -N http://httpupdate.cpanel.net/latest
sh latest