Notice: Undefined index: entity keys in ShopifyProduct->setUp() (line 346 of /app/web/modules/shopify/includes/shopify.entity.inc).
Notice: Trying to access array offset on value of type null in ShopifyProduct->setUp() (line 346 of /app/web/modules/shopify/includes/shopify.entity.inc).
Originally this call was included in D7 Entity API
Entity
class, but it's not in Backdrop's coreEntity
class.