I lost the old sync of shopify and facebook shop and i cant sync it now with my current/new account

[metaphorbd]

My 13 year old facebook account has been compromised and banned subsequently by the Facebook. under that account i have a business page which were attached the a business account that created under that id. Still i can access and operate my facebook business page by another facebook acount But this account access is admin i guess but not the super admin. ..so that i can not hook my business facebook page with its ( newly created ) business account. Facbook shop was synced with the banned facebook account so that i tried to synced it with my new account . In the process , I lost the old sync of shopify and facebook shop and i cant sync it now with my current/new account . Any one can help ?