Check if all navigation bar modules can be loaded

CheckNavigationBarModules.pl

#!/usr/bin/perl

use strict;
use warnings;

use lib qw(/opt/otrs);

use Kernel::System::ObjectManager;

local $Kernel::OM = Kernel::System::ObjectManager->new;

my $MainObject   = $Kernel::OM->Get('Kernel::System::Main');
my $ConfigObject = $Kernel::OM->Get('Kernel::Config');

my @Configs = ( 
    'Frontend::NavBarOutputModule',
    'Frontend::NotifyModule',
    'Frontend::NavBarModule',
    "Frontend::NavigationModule",
);

for my $ConfigKey ( @Configs ) {
    my $Config = $ConfigObject->Get($ConfigKey);

    for my $Module ( keys %{ $Config || {} } ) {
        next if $MainObject->Require(
            $Config->{$Module}->{Module},
            Silent => 1,
        );

        print "Please check sysconfig option $Module ($ConfigKey)!\n";
    }
}