Centreon_error

# perl centreon_plugins.pl --plugin=apps::proxmox::ve::restapi::plugin --mode=list-nodes --custommode --help
UNKNOWN: Cannot load module --custommode.
Can't locate JSON/XS.pm in @INC (@INC contains: /usr/lib/centreon/centreon-plugins /root/perl5/lib/perl5/5.16.3/x86_64-linux-thread-multi /root/perl5/lib/perl5/5.16.3 /root/perl5/lib/perl5/x86_64-linux-thread-multi /root/perl5/lib/perl5 /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/lib/centreon/centreon-plugins/apps/proxmox/ve/restapi/custom/api.pm line 29.
BEGIN failed--compilation aborted at /usr/lib/centreon/centreon-plugins/apps/proxmox/ve/restapi/custom/api.pm line 29.
Compilation failed in require at /usr/lib/centreon/centreon-plugins/centreon/plugins/misc.pm line 217.