PIAF Installed Version = 2.0.6.2
FreePBX Version = 2.9.0.12
Running Asterisk Version = 1.8.8.0
Asterisk Source Version = 1.8.8.0
Dahdi Source Version = 2.6.0+2.6.0
Libpri Source Version = 1.4.12
Operating System = CentOS release 6.3 (Final)
Kernel Version = 2.6.32-220.7.1.el6.i686 - 32 Bit

After doing 3 successful installs on identical machines I get this :

root@pbx:~ $ /usr/local/fop2/fop2_server --test
Can't locate PAR.pm in @INC (@INC contains: /usr/lib/perl5/site_perl/5.8.8/i386-
linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/
lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5
.8.8 /usr/lib/perl5/vendor_perl /usr/lib/perl5/5.8.8/i386-linux-thread-multi /us
r/lib/perl5/5.8.8 .) at -e line 952.

and

root@pbx:~ $ service fop2 start
Starting Flash Operator Panel 2: Can't locate PAR.pm in @INC (@INC contains: /us
r/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8
.8 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-m
ulti /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib/perl5/
5.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8 .) at -e line 952.
[FAILED]