1) Please do not spam the whole forum with replies, this is a professional community where forum members help other members. Avoid posting on other threads as the answers and help is always different even if the top is similar. Instead for future reference, always create your own thread with a detailed question.
2) A products needs a bar code if the manufacturer has assigned one, you can see this by viewing the product in your hands and checking for the bar code, than add this value into your spread sheet.
3) If you lost your data, than you need to rebuild it or find a way to get your original data back. Within Google Merchant you can download the last 10 data feeds by going to GMC > Product > Feed > Click on your feed > 3dot menu > download file. If the file is not present, than there is nothing you can get from Google and you will need to use your own resources to find the missing data or recreate it.
4) If the manufacturer does not have any bar codes assigned, than simply do not submit brand, mpn and gtin. Than submit identifier exists to no
As this is a forum, we have no access to your account, please provide further in depth data if you like us to help you. This will allow other forum members to assist where possible. If this is not possible, than contact Google directly.
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