Bundles generated through the MBC Bundles app do not possess individual SKUs, a deliberate measure for seamless product inventory management.

However, Google Shopping encounters an issue when a product lacks a barcode, as the service mandates a barcode as a requisite indicator of product uniqueness.
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To navigate around this constraint, you can follow this step-by-step approach:

1. Navigate to the Shopify admin panel and access the Custom Data menu.

2. Proceed to Products and click Add definition.

3. Input "gtin" in the designated field and save.

With this, you can now input this information as a gtin when setting up your product on Google Shopping.