- disabled => !$may_edit_create ? t8('You must not print this invoice.')
- : $form->{id} ? t8('This invoice has already been posted.')
- : undef,,
+ confirm => t8('The invoice is not linked with a sales delivery order. Post anyway?') x !!$warn_unlinked_delivery_order,
+ disabled => !$may_edit_create ? t8('You must not change this invoice.')
+ : $form->{locked} ? t8('The billing period has already been locked.')
+ : $form->{storno} ? t8('A canceled invoice cannot be posted.')
+ : ($form->{id} && $change_never) ? t8('Changing invoices has been disabled in the configuration.')
+ : ($form->{id} && $change_on_same_day_only) ? t8('Invoices can only be changed on the day they are posted.')
+ : $is_linked_bank_transaction ? t8('This transaction is linked with a bank transaction. Please undo and redo the bank transaction booking if needed.')
+ : undef,