$form->{SHOW_CUSTOMER_SELECTION} = $form->{all_customer} && scalar @{ $form->{all_customer} };
$form->{SHOW_DUNNING_LEVEL_SELECTION} = $form->{DUNNING} && scalar @{ $form->{DUNNING} };
- $form->{SHOW_DEPARTMENT_SELECTION} = $form->{all_departments} && scalar @{ $form->{all_departments} };
+ $form->{SHOW_DEPARTMENT_SELECTION} = $form->{all_departments} && scalar @{ $form->{all_departments} || [] };
$form->{title} = $locale->text('Start Dunning Process');
$form->{jsscript} = 1;