Dear Team - Sir / Madam, Good Evening / Morning, - I am working on migrating Centos to Linux Rhel & I am getting error while connecting to PG DB through perl code. I was able to successfully connect to oracle DBD from new server , but while connecting to PG DB I got the below error . *Error - perl code is failing while running:* Install driver(Pg) failed: Unknown warnings category ‘redundant’ at /usr/lib64/perl5/vendor_perl/DBD/pg.pm line 1538 BEGIN failed—compilation aborted at /usr/lib64/perl5/vendor_perl/DBD/Pg.pm line 1538. *Linux OS Version:* NAME=”Red Hat Enterprise Linux” VERSION=”8.7 (Ootpa)” ID=”rhel” ID_LIKE=”fedora” VERSION_ID=”8.7” PRETTY_NAME=”Red Hat Enterprise Linux 8.7 (Ootpa)” ANSI_COLOR=”0;31” *Perl Version:* This is perl 5 , version 26 , subversion 3 (v5.26.3) built for x86_64-linux-thread-multi (with57 registered patches , see perl -V for more detail)