use Koha::Libraries;
use Koha::ArticleRequest::Status;
use Koha::DateUtils qw(dt_from_string);
-use C4::Letters qw(GetPreparedLetter);
use base qw(Koha::Object);
my $status = $self->status;
+ require C4::Letters;
if (
my $letter = C4::Letters::GetPreparedLetter(
module => 'circulation',