Magento error needs to be fixed

Avg Bid (USD)
Project Budget (USD)
$10 - $80

Project Description:
I have an online store build in magento. Now when I try to place an item into my shopping cart I keep see this error:
SQLSTATE[HY000] [2002] No such file or directory

I need this fix asap. Please bid only if you can fix it as you will be paid only if you do. I need this fixed now.

Skills required:
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