'Add To Cart' not working

[tim.blueye]

The 'Add To Cart' buttons in my osCommerce randomly stopped working today. When you click 'Add To Cart' from any individual product page, you are brought to the shopping cart and it says the cart is empty.

 

I mulled over all the posts and forums until I found a solution guiding me to modify both of my config files (includes/config.php and admin/includes/config.php) so that the line that says

define('STORE_SESSIONS', '');

now says

define('STORE_SESSIONS', 'mysql');

 

After doing this, when I click the 'Add To Cart' button from the individual product pages, I get errors like this:

 

1030 - Got error 127 from table handler

 

select value from sessions where sesskey = '26eed3a46a326d77b52e4097d18a3594' and expiry > '1203624036'

 

[TEP STOP]

 

Has anybody had this problem or know how to resolve it? Thanks in advance!