有人遇到过这样的问题吗 我第一次遇到!!!!

Mrs.lazy

SKU 'A22--VV' is already assigned GCID '55A72F0C39AXXXXX', which prevents the following attributes from being changed: [catalog_number]. To change these attributes, which will assign a new GCID to the SKU, please submit a delete feed for this SKU, and then resubmit. If you wish to keep this SKU associated to the current GCID, please revert the listed attributes back to their previous values.

我上传一个产品到美国之后,再上架到加拿大就出现这样的问题.....是什么原因!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!