Add to cart issue

[Stanley168]

When I clicked add to cart on category it display loading picture all the time and item did not add to cart, it's there any solution for this? Thanks 

Magento vision CE 1.72

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category/product/list.html code:

<?php if($_product->isSaleable()): ?>
<button type="button" title="<?php echo $this->__('Add to Cart') ?>" class="button btn-cart" onclick="setLocation('<?php echo $this->getAddToCartUrl($_product) ?>')"><span><span><?php echo $this->__('Add to Cart') ?></span></span></button>
<?php else: ?>

[theMageComp]

@Stanley168

It's because of your Theme cart issue. You need to check there. We can not help you from the code you have given.