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Duplicate order on Magento v 1.9.2.0., triggered by

When we click checkout button than order repeated 3 times.

how to fix this problem?

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  • Are you using any custom extension for the checkout? Since when your problem exists ? sql SELECT *, (SELECT count(o.quote_id) FROM sales_flat_order as o WHERE o.quote_id = q AND o.grand_total = grandtotal group by o.quote_id) as count FROM sales_flat_order having count > 1 order by quote_id desc, created_at desc; Jan 4, 2019 at 14:10
  • Yes I used Lotus Breath - One Step Checkout extensions version 4.1.2. Same extension works great on other store.
    – K. Coffee
    Jan 5, 2019 at 10:29

1 Answer 1

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A simple way to prevent multiple checkout button clicks is to disable it using javascript, after first click, like this :

getElementById('checkoutButton').disabled = true;

and don't forget to re-enable it, in case an error occured (i.e : after an ajax call)

getElementById('checkoutButton').disabled = false;

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