 The reserved indicator "@" cannot start a plain scalar
 The reserved indicator "@" cannot start a plain scalar

production.ERROR: Symfony\Component\Yaml\Exception\ParseException: The reserved indicator "@" cannot start a plain scalar; you need to quote the scalar at line 9 (near "form: @/plugins/benfreke/menumanager/models/menu/fields.yaml")
benfreke/oc-menumanager-plugin,benfreke/oc-menumanager-plugin,benfreke/oc-menumanager-plugin