I have the same problem with SSU and adding products to cart from search results.
Zen Cart 1.3.8 / SSU 3.8.5 / Module Manager rev18
You can find my site at http://tinyurl.com/3utocde
Here's an example:
searching for the string: "wh tropenbluse m40" I obtain the following results url:
.../index.php?main_page=advanced_search_result&search_in_description=1&keyword=wh+tr openbluse+m40&x=36&y=9
and results contain the searched item.
Now, by clicking "Aggiungi al carrello" (italian for Add to cart) button I always obtain "too many redirect loops" error
Unfortunately I cannot just turn off SSU Seo module otherwise links from google will lead customers to home page and not to products pages (until google rescan new URLs)


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