What to do if I have wrong product URLs?

If Facebook finds errors in product links, as below:

You must:

• Check that you have a version of the module equal to or higher than 1.3.9, and if it's not the case, update it
• Select "YES" for the following option, that is in the "Feed data options" tab of the "Feed management" section:

• Save
• Regenerate the product feed and reimport it in Facebook