On Tue, Aug 2, 2016 at 7:47 AM, Om Prakash Jaiswal <op12om@xxxxxxxxxxx> wrote: > ERROR: could not load library > "/opt/PostgreSQL/9.4/lib/postgresql/plperl.so": > /opt/PostgreSQL/9.2/lib/postgresql/plperl.so: undefined symbol: > Perl_sv_2bool_flags Seems to me you are running a Perl version compiled with different options than those expected from PostgreSQL. How do you install perl and dependencies? Have you compiled it (or PostgreSQL)? By the way, spreading your message around several mailing list, especially not related to your problem, is the right way to get your message ignored. Luca -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin