96243 Autoresponder Error

Hi guys, I need someone help me to fix my autoresponder. Here is the problem is have : When I try to send a broadcast ( newsletter ) to my client, I receive an error... I don't know what to do .. The error is in attached file. Someone told me : "this problem inidcating syntax error in the query or inability to open the database." Please help me to fix this problem. P.S. I am very sorry for my english..I hope you guys understand... Thank you in advance.