package Moose::Exception::DelegationToARoleWhichIsNotLoaded; our $VERSION = '2.2010'; use Moose; extends 'Moose::Exception'; with 'Moose::Exception::Role::Attribute'; has 'role_name' => ( is => 'ro', isa => 'Str', required => 1, ); sub _build_message { my $self = shift; "The ".$self->attribute->name." attribute is trying to delegate to a role which has not been loaded - ".$self->role_name; } __PACKAGE__->meta->make_immutable; 1;