} elsif ( $params->{lang} ) {
$search_params->{lang} = $params->{location} . '_' . $params->{lang};
} else {
Koha::Exceptions::BadParameter->throw("The location and lang parameters combination is not valid");
Koha::Exceptions::BadParameter->throw("The location ($params->{location}) and lang ($params->{lang}) parameters combination is not valid");
}
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