BUG #15656: Not able to login database

The following bug has been logged on the website:

Bug reference:      15656
Logged by:          ramakrishnan r
Email address:      prakash.ramakrishnan.ap@nielsen.com
PostgreSQL version: 10.4
Operating system:   rhel 7.5
Description:

Hi Team,

we are facing in PostgreSQL symbol lookup error and not able to login please
do the needful.

==> export LD_LIBRARY_PATH=$/opt/app/PostgreSQL/10/lib:$LD_LIBRARY_PATH
postgres@sydcosausd001.enterprisenet.org:/home/postgres
==> export LD_LIBRARY_PATH
postgres@sydcosausd001.enterprisenet.org:/home/postgres
==> psql -p 5432
/opt/app/PostgreSQL/10/bin/psql.bin: symbol lookup error:
/opt/app/PostgreSQL/10/bin/psql.bin: undefined symbol:
PQsetErrorContextVisibility
postgres@sydcosausd001.enterprisenet.org:/home/postgres