I received an error "ECCC 2D4 CANADIAN PRODUCT CATEGORY CODE THE CANADIAN PRODUCT CATEGORY CODE IS MISSING". What does it mean?

I received an error "ECCC 2D4 CANADIAN PRODUCT CATEGORY CODE THE CANADIAN PRODUCT CATEGORY CODE IS MISSING". What does it mean?

Please check on each ITEMS that has ECCC. Under PGA list ECCC > PGA Details with Identification of ECCC Regulated Goods must be 'NO'.