Provide transaction ID (right click on transaction) and post here.
cacc3bfa6f4ae6a926be0df9a2f728fa70dd8a00b2632c8274b3c71081061d9c-000
Status: 0/offline, has not been successfully broadcast yet
Date: 28-12-2013 10:56
To: 9gTqvUWGYjLRwVLgrifnWovu2KuGGR4prF
Debit: -183.00 CAT
Net amount: -183.00 CAT
Transaction ID: cacc3bfa6f4ae6a926be0df9a2f728fa70dd8a00b2632c8274b3c71081061d9c
Maybe you sent the tx with the client not fully synced, try closing the CAT wallet and opening it again.