You have not configured an HFS partition that is mounted to /boot/grub. This is needed by your machine in order to be able to boot. Please go back and create an HFS partition that is mounted to /boot/grub.
Aḥric-ik·im n usenker ulac-it ɣef uḥric amezwaru n uḍebsi-inek·inem aqquran. Ayagi yettusra sɣur uselkim-ik·im i wakken ad yekker.  Ttxil-k·m uɣal ɣer deffir syen seqdec aḥric-ik·im amezwaru am uḥric n usker.