I have a product with a few different product combinations (size and color of a shirt). When I try to add one of the shirts, say the white shirt is size medium, I get the message, “The T-Shirt has zero inventory and cannot be added to the cart”. The problem is when I am looking at the product page, I can see that there is a positive quantity, in this case, it says In Stock: 2 item(s).
What is the problem? Any ideas?
I thought of one minor thing to add to my question. With the various combinations, some of the combinations have a positive inventory amount, and a few have zero.
I don’t think that made a difference, because I tested the problem with all combinations having inventory in stock, and I still got this error.
Can someone please help?
Can someone please try to duplicate my error? Am I doing something wrong?
Hello mister,
Could you please send us a link referring to the place where this problem arose for you? I will do my best to help you with resolving it.
I have done some more digging into this issue and have found that if i have a product with just a size option, I am able to add it to the cart without issue. If I have a product with just a color option, I can also add it to the cart without issue.
The problem happens when I have a product with a size and a color. When I add both product options, I can no longer add the item to my cart.
Here is a link to the product in question:
[url]http://tinyblueorange.com/cscart/index.php?dispatch=products.view&product_id=4[/url]
After doing some digging, I found a bit more information.
Fist, I searched for ‘zero inventory’ in the /cscart directory which lead me to /cscart/install/database/data.sql. This SQL file inserts a record into the database for this error. Next, I searched for ‘text_cart_zero_inventory’ to find where it would be used, and that led me to /cscart/core/fn.cart.php line 1,762. Below is a snippet of that code:
```php
if ($current_amount > 0 && $current_amount - $amount < 0 && Registry::get(‘settings.General.allow_negative_amount’) != ‘Y’) {
$amount = $current_amount;
fn_set_notification(‘N’,fn_get_lang_var(‘notice’), str_replace(‘[product]’, $product[‘product’], fn_get_lang_var(‘text_cart_amount_corrected’)));
} elseif ($current_amount - $amount < 0 && Registry::get(‘settings.General.allow_negative_amount’) != ‘Y’) {
fn_set_notification(‘E’,fn_get_lang_var(‘notice’), str_replace(‘[product]’, $product[‘product’], fn_get_lang_var(‘text_cart_zero_inventory’)));
return false;
} elseif ($current_amount <= 0 && $amount <= 0 && Registry::get(‘settings.General.allow_negative_amount’) != ‘Y’) {
fn_set_notification(‘E’,fn_get_lang_var(‘notice’), str_replace(‘[product]’, $product[‘product’], fn_get_lang_var(‘text_cart_zero_inventory_and_removed’)));
return false;
}
```
It almost seems as if the $current_amount variable is not getting the correct value?
Can someone please confirm this error?
I have the same problem, I do track my items with options too and I really don’t want to change that since I have a script that updates these values according to channel advisor…
Can this issue be fixed, I just did a bigdump of the complete database, shouldn’t it work just the same ?
ZERO INVENTORY REALLLLY SUCKS especially when all numbers are ok !
This bug is a huge bug and confirmed with multiple installs. This really should be taken care of since it is a bug involving the core feature of CS Cart, selling items online!
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