src/main/java/org/efaps/ui/wicket/models/objects/UITable.java
@Override
    public void execute()
    {
        try {
            if (isCreateMode()) {
                execute4NoInstance();
            } else {
                final List<Instance> instances = getInstanceList();
                if (instances.isEmpty() && isEditMode()) {
                    execute4NoInstance();
                } else {
                    execute4Instance(instances);
                }
            }
        } catch (final EFapsException e) {
            throw new RestartResponseException(new ErrorPage(e));
        }
        super.setInitialized(true);
    }
@Override
    public void execute()
    {
        try {
            if (isCreateMode()) {
                execute4NoInstance();
            } else {
                final List<Instance> instances = getInstanceList();
                if (instances.isEmpty() && isEditMode()) {
                    execute4NoInstance();
                } else {
                    execute4Instance(instances);
                }
            }
        } catch (final EFapsException e) {
            throw new RestartResponseException(new ErrorPage(e));
        }
        super.setInitialized(true);
    }
{@inheritDoc}