What to do if Google shows me a price-matching error (or similar) for my combinations?

This FAQ applies to you if you export your products by combinations (each combination as a product in its own right):

If you use a URL rewriting module that removes the combination identifiers, Google won't be able to reach the targeted combination page and will generate errors. For example, it may notify you of a price matching error if your prices are different depending on the combination, since it will always see the price associated with the default combination and not the prices specific to other combinations.

• Update your module to a version greater than or equal to 1.9.0.
• Ask the module to add anchors at the end of URLs to force your store to display the correct combination when Google reads the URL. To do this, go to the "Product feed management" section and, in the "Feed data options" tab, activate the "Include anchors in combination URLs?" option: