Upgrade from 1.7.0 to 1.7.1.1(1.7.1-5) fails with bucket_escript expection

Ubuntu-64 bit, 2 node cluster, earlier version 1.7.0
Cluster nodes
10.1.4.83
10.1.4.82

One node upgrades successfully, other node fails with following error

Previous config.dat file is /opt/membase/var/lib/membase/config/config.dat.debsave
Target node: ns_1@10.1.4.83
ERROR: bucket escript: exception error: no function clause matching is configured but missing: /opt/membase/var/lib/membase/data/escript: exception error: no function clause matching
dpkg: error processing membase-server (--install):
subprocess installed post-installation script returned error exit status 1

This was not the case with 1.7.1-4.