def METHOD_NAME(build):
    app = Application.wrap(build)
    modules = app.get_modules()
    for mod in modules:
        forms = mod.get_forms()
        prev_form_filter = False
        for form in forms:
            form_filter = hasattr(form, 'form_filter') and form.form_filter
            if form_filter and not prev_form_filter and form.id > 0:
                return 'form filter error'
            prev_form_filter = form_filter