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Editorial Team
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Asked: 2026-05-20T08:35:52+00:00

I’ve set up a B2B site powered by Magento 1.4.2 community edition. Occasionally, customers

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I’ve set up a B2B site powered by Magento 1.4.2 community edition. Occasionally, customers are trying to checkout with a large number of items in their shopping cart – up to 250! My issues are twofold:

  1. When there are that many items in the cart, simple navigation through the site becomes extremely slow for the user.
  2. On the OnePage checkout, when they get around to submitting the order, they get a javascript popup simply stating “undefined” and they remain on the onepage checkout page.

Does anyone have any similar experience in dealing with this type of issue?

I’ve tried to implement memcached as well as full page caching hoping that it would help alleviate some of the stress off the server but it hasn’t been effective in solving this issue.

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1 Answer

  1. Editorial Team

    I’ve ran into similar issues with the Enterprise version of Magento. You might try disabling the shopping cart sidebar, if you have not already done so, that should help the site speed when browsing. We changed the sidebar so that if there was more than 25 items in it, it would not try to load the products, which helped a great deal.

    For the second error, if you use Firebug and Firefox as you step through the order process, you should get more error information than “undefined” which would help figure out what is going on there.

    You could also try bumping up the memory_limit for php.ini, we ended up setting ours to 256mb, which solved most of the memory errors for our site.

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